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update download and changelog for v2.107.0-beta.1
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‎changelog/2.106.1_pre.dd

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‎changelog/2.107.0_pre.dd

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Ddoc
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$(CHANGELOG_NAV_INJECT)
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$(VERSION Feb 01, 2024, =================================================,
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$(CHANGELOG_HEADER_STATISTICS
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$(VER) comes with 9 major changes and 52 fixed Bugzilla issues.
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A huge thanks goes to the
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$(LINK2 #contributors, 35 contributors)
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who made $(VER) possible.)
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$(BUGSTITLE_TEXT_HEADER Compiler changes,
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$(LI $(RELATIVE_LINK2 dmd.assert-string,A string literal as an assert condition is deprecated))
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$(LI $(RELATIVE_LINK2 dmd.makefiles,Makefiles cleanup for the compiler))
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$(LI $(RELATIVE_LINK2 dmd.pragma,Unrecognized pragmas are no longer an error, but instead simply ignored))
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$(LI $(RELATIVE_LINK2 dmd.standalone-attribute,Added `@standalone` for module constructors))
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$(LI $(RELATIVE_LINK2 dmd.template-_d_newarratmT,`_d_newarray{mTX,miTX,OpT}` are converted to a single template: `_d_newarraymTX`))
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)
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$(BUGSTITLE_TEXT_HEADER Runtime changes,
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$(LI $(RELATIVE_LINK2 druntime.makefiles,Makefiles cleanup for druntime))
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$(LI $(RELATIVE_LINK2 druntime.stdatomic,New addition of the C stdatomic header implemented in D))
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)
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$(BUGSTITLE_TEXT_HEADER Library changes,
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$(LI $(RELATIVE_LINK2 is_forward_range_element,isForwardRange now takes an optional element type.))
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$(LI $(RELATIVE_LINK2 makefiles,Makefiles cleanup))
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)
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$(CHANGELOG_SEP_HEADER_TEXT_NONEMPTY)
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$(CHANGELOG_SEP_HEADER_TEXT)
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$(BUGSTITLE_TEXT_BODY Compiler changes,
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$(LI $(LNAME2 dmd.assert-string,A string literal as an assert condition is deprecated)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/dmd.assert-string.dd)
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$(P
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Boolean evaluation of a string literal could happen unintentionally
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e.g. when an `assert(0, "message")` was meant and the `0` was missing.
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)
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```d
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assert("unexpected runtime condition");
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static assert("unhandled case for `", T, "`");
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```
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$(P
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The 2 asserts would silently always have no effect.
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Now these cases will be detected with deprecation messages.
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If the original behaviour was actually intended, use `expr !is null` instead:
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)
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```d
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assert("" !is null);
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static assert("" !is null);
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```
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)
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$(LI $(LNAME2 dmd.makefiles,Makefiles cleanup for the compiler)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/dmd.makefiles.dd)
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$(P
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The Makefiles for building the compiler (`compiler/src/{posix,win32,win64}.mak`) have been deprecated for a while, and finally removed. Please use the `compiler/src/build.d` tool directly now (see [docs](https://github.com/dlang/dmd/tree/master/compiler/src#building-the-compiler)), or build compiler and druntime in one step via the top-level Makefile in the repo root, e.g., for an optimized build using an LDC host compiler: `make -jN HOST_DMD=ldmd2 ENABLE_RELEASE=1 ENABLE_LTO=1`
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)
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$(P
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The top-level Makefile has been renamed from `posix.mak` to `Makefile` (with a deprecated `posix.mak` forwarder). The semantics of some targets have slightly changed, e.g., druntime is included in the `test`, `install` and `clean` targets now.
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)
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$(P
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The legacy `src/posix.mak` file still exists, but forwards to the top-level Makefile. So e.g. the default `all` target now includes druntime too, not just the compiler.
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)
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$(P
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Top-level `win{32,64}.mak` and legacy `src/win{32,64}.mak` files (for DigitalMars make) have been removed altogether. The generic top-level `Makefile` works on Windows too - with a GNU make (and a git installation providing bash and GNU tools).
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)
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$(P
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Long-deprecated `compiler/test/Makefile` has also been removed; use `compiler/test/run.d` directly instead (see [docs](https://github.com/dlang/dmd/tree/master/compiler/test#quick-guide)).
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)
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)
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$(LI $(LNAME2 dmd.pragma,Unrecognized pragmas are no longer an error, but instead simply ignored)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/dmd.pragma.dd)
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$(P
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Previously, unrecognized pragmas would issue a hard error unless you used the `-ignore` dmd switch. Now, they are always ignored and the `-ignore` dmd switch is ignored.
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)
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)
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$(LI $(LNAME2 dmd.standalone-attribute,Added `@standalone` for module constructors)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/dmd.standalone-attribute.dd)
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$(P
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When two modules import each other and both have module constructors,
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druntime would throw an error because it can't determine which to run first.
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)
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$(P
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This could be circumvented by using `pragma(crt_constructor)` instead, but in C runtime constructors, druntime isn't initialized.
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Therefore the Garbage Collector can't be used in such constructors.
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)
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$(P
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`@standalone` is a new attribute that can be used to mark module constructors that run after druntime has been initialized,
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but do not depend on any other module constructors being run before it, so it will not cause a cyclic dependency error.
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It must be imported from `core.attribute`.
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)
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$(P
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The compiler doesn't verify that the module constructor truly doesn't depend on other variables being initialized, so it must be enforced manually.
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Because of this, they must be marked `@system` or `@trusted`.
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)
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---
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import core.attribute : standalone;
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immutable int* x;
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@standalone @system shared static this()
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{
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x = new int(10);
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}
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void main()
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{
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assert(*x == 10);
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}
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---
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$(P
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If possible, prefer to solve cyclic dependency errors by putting the offending module constructors into their own smaller modules instead of using `@standalone`.
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)
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)
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$(LI $(LNAME2 dmd.template-_d_newarratmT,`_d_newarray{mTX,miTX,OpT}` are converted to a single template: `_d_newarraymTX`)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/dmd.template-_d_newarratmT.dd)
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$(P
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The template `_d_newarraymTX` now uses DBI to check what type of initialiser is required by the type of the elements in the array.
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Thus it replaces both `_d_newarraymTX` and `_d_newarraymiTX`.
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)
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$(P
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`_d_newarrayOpT` was the generic implementation of both of the above hooks.
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It first allocated the "outer" arrays as pointer arrays and then it called either `_d_newarrayT` or `_d_newarrayiT`, to allocate initialise the "inner" 1-dimensional arrays accordingly.
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Now this is no longer needed due to the merge between `_d_newarraymTX` and `_d_newarraymiTX`.
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)
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$(P
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Now the compiler performs the following lowering:
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)
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---
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S[][] s = new S[][](2, 3)
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// is now lowered to:
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S[] s = _d_newarraymTX!(S[][], S)([2, 3]);
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---
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$(P
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This change adds the new template to `core.internal.array.construction`.
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)
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)
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)
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$(BUGSTITLE_TEXT_BODY Runtime changes,
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$(LI $(LNAME2 druntime.makefiles,Makefiles cleanup for druntime)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/druntime.makefiles.dd)
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$(P
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The `{posix,win32,win64}.mak` Makefiles have been merged to a generic `Makefile` (including the ones in `druntime/test/`). `posix.mak` is kept as a deprecated forwarder for now.
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)
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$(P
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On Windows, you can/need to use the generic Makefile too - with a GNU make (and a git installation providing bash and GNU tools). Windows devs can finally exploit parallelism via `-j`! You may download a prebuilt zipped .exe from https://github.com/dlang/dmd/releases/download/nightly/gnumake-4.4-win64.zip.
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)
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)
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$(LI $(LNAME2 druntime.stdatomic,New addition of the C stdatomic header implemented in D)
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$(CHANGELOG_SOURCE_FILE dmd, changelog/druntime.stdatomic.dd)
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$(P
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The goal of this module is to assist in porting efforts for code from C to D and to give as close as possible same code generation as the system C compiler counterpart.
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)
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$(P
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If you do not care about code generation quality should the aliases to the function names not exist, you may append ``_impl`` to get at the implementation.
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)
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$(P
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If the code generation provided by a given function is not on-par to the system C compiler and it matters to your use case, please report it as a bug.
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)
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)
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)
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$(BUGSTITLE_TEXT_BODY Library changes,
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$(LI $(LNAME2 is_forward_range_element,isForwardRange now takes an optional element type.)
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$(CHANGELOG_SOURCE_FILE phobos, changelog/is_forward_range_element.dd)
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$(P
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isForwardRange now has an optional 2nd template parameter that defaults
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to void. If not void, it only evaluates to true if the range's element
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type is the same type as this extra argument, modulo const. For
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instance, `isForwardRange!(int[], const(int))` is true, but
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`isForwardRange!(int[], string)` is false.
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)
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)
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$(LI $(LNAME2 makefiles,Makefiles cleanup)
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$(CHANGELOG_SOURCE_FILE phobos, changelog/makefiles.dd)
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$(P
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The `{posix,win32,win64}.mak` Makefiles have been merged to a generic `Makefile`. `posix.mak` is kept as a deprecated forwarder for now.
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)
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$(P
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On Windows, you can/need to use the generic Makefile too - with a GNU make (and a git installation providing bash and GNU tools). Windows devs can finally exploit parallelism via `-j`! You may download a prebuilt zipped .exe from https://github.com/dlang/dmd/releases/download/nightly/gnumake-4.4-win64.zip.
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)
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)
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)
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$(CHANGELOG_SEP_TEXT_BUGZILLA)
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$(BUGSTITLE_BUGZILLA DMD Compiler regression fixes,
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$(LI $(BUGZILLA 24266): ImportC: struct initializer entry gets ignored)
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$(LI $(BUGZILLA 24274): [REG master] ImportC: unrecognized C initializer with array in struct)
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$(LI $(BUGZILLA 24301): [REG 2.100] Misleading error message when passing non-copyable struct by value in @safe code)
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)
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$(BUGSTITLE_BUGZILLA DMD Compiler bug fixes,
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$(LI $(BUGZILLA 16357): cast$(LPAREN)T[]$(RPAREN)[x] casts x to T instead of [x] to T[])
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$(LI $(BUGZILLA 20339): isPOD returns true if sizeof is accessed inside struct declaration)
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$(LI $(BUGZILLA 20369): shadowed variable in foreach loop always considered "foreach variable")
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$(LI $(BUGZILLA 22216): Incomplete/incorrect error message for mutability overloads)
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$(LI $(BUGZILLA 22905): gdb backtrace contains wrong location)
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$(LI $(BUGZILLA 23411): ImportC: undefined identifier __builtin_nanf)
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$(LI $(BUGZILLA 23713): compilable/testcstuff1.c:206:1: error: static assertion failed: sizeof$(LPAREN)u'a'$(RPAREN) == 4)
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$(LI $(BUGZILLA 23714): compilable/testcstuff1.c:213:1: error: static assertion failed: u'ab' == 0x610062)
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$(LI $(BUGZILLA 23972): class identity check is broken)
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$(LI $(BUGZILLA 24031): ImportC: rejects nested C initializers)
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$(LI $(BUGZILLA 24094): importC __declspec not working in front of declaration statement)
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$(LI $(BUGZILLA 24200): ImportC: .di file collected macro conflicts with Special Token)
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$(LI $(BUGZILLA 24224): __traits$(LPAREN)initSymbol$(RPAREN) treats aggregate-derived enum as base type)
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$(LI $(BUGZILLA 24248): const constructor call with mutable target gives wrong error message)
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$(LI $(BUGZILLA 24264): ImportC: inliner trips on _Bool return)
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$(LI $(BUGZILLA 24276): ImportC: typedef aliases not emitted correctly in .di files)
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$(LI $(BUGZILLA 24280): ImportC: forward reference error when compiling multiple files)
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$(LI $(BUGZILLA 24281): Segfault with missing field after named argument)
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$(LI $(BUGZILLA 24283): [SIMD][CODEGEN] Bad codegen with and not + AVX2 registers)
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$(LI $(BUGZILLA 24292): Struct with destructor wrongly returned in register)
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$(LI $(BUGZILLA 24303): anonymous struct problems when typedef'd in separate C files)
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$(LI $(BUGZILLA 24304): __uint16_t, __uint32_t, __uint64_t are not recognized)
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$(LI $(BUGZILLA 24306): ImportC: same name structs in separate C files interfere when compiled together)
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)
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$(BUGSTITLE_BUGZILLA DMD Compiler enhancements,
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$(LI $(BUGZILLA 14387): Disallow string literals as assert conditions)
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$(LI $(BUGZILLA 23629): importC: Need to support code coverage analysis)
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$(LI $(BUGZILLA 24069): ImportC does not parse function pointer as parameter without name)
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$(LI $(BUGZILLA 24125): ImportC: vector type initializer not understood)
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$(LI $(BUGZILLA 24155): ImportC: accept C23 default initializers)
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$(LI $(BUGZILLA 24206): Can't alias a function type that returns a type with a TypeSuffix)
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$(LI $(BUGZILLA 24238): Confusing "not an lvalue"error messages)
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$(LI $(BUGZILLA 24247): Improve constructor not callable using $modifier object error)
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$(LI $(BUGZILLA 24294): ImportC: unrecognized command line option -Wno-builtin-macro-redefined with gcc)
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$(LI $(BUGZILLA 24297): ImportC incompatible with glibc _FORTIFY_SOURCE)
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)
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$(BUGSTITLE_BUGZILLA Phobos regression fixes,
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$(LI $(BUGZILLA 24243): Can't format chain$(LPAREN)filter, filter$(RPAREN))
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)
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$(BUGSTITLE_BUGZILLA Phobos bug fixes,
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$(LI $(BUGZILLA 24151): std.container.array: Array!string$(LPAREN)""$(RPAREN) does not compile)
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$(LI $(BUGZILLA 24215): std.traits.isBasicType!Enum should be false)
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$(LI $(BUGZILLA 24278): std.math.abs promotes unsigned argument to 32 bits)
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)
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$(BUGSTITLE_BUGZILLA Phobos enhancements,
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$(LI $(BUGZILLA 11111): std.algorithm.canFind should support Needles...)
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$(LI $(BUGZILLA 24075): Can't use toChars with `ushort` or `ubyte`)
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)
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$(BUGSTITLE_BUGZILLA Druntime bug fixes,
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$(LI $(BUGZILLA 4071): Missing support to share memory and objects between DLLs and executable)
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$(LI $(BUGZILLA 24272): operations.arrayOp is forced @nogc nothrow pure)
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$(LI $(BUGZILLA 24298): cpp_delete should check for null)
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)
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$(BUGSTITLE_BUGZILLA Druntime enhancements,
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$(LI $(BUGZILLA 20332): associative array clear function should be @safe)
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)
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$(BUGSTITLE_BUGZILLA dlang.org bug fixes,
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$(LI $(BUGZILLA 23712): ImportC: Unclear documentation of what type is inferred from integer literals $(LPAREN)type of 9223372036854775808 is undefined$(RPAREN))
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$(LI $(BUGZILLA 24239): dlang.org tests on CircleCI run out of memory)
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$(LI $(BUGZILLA 24241): Spec disallows missing default arguments)
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)
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$(BUGSTITLE_BUGZILLA dlang.org enhancements,
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$(LI $(BUGZILLA 24176): Parameters of opApply delegate don't have to be `ref`)
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$(LI $(BUGZILLA 24177): Array literal can implicitly convert to an expected type)
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$(LI $(BUGZILLA 24210): Function types are not documented)
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)
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)
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$(D_CONTRIBUTORS_HEADER 35)
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$(D_CONTRIBUTORS
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$(D_CONTRIBUTOR Adam D. Ruppe)
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$(D_CONTRIBUTOR Atila Neves)
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$(D_CONTRIBUTOR Basile Burg)
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$(D_CONTRIBUTOR Daniel Pflager)
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$(D_CONTRIBUTOR Danil Sidoruk)
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$(D_CONTRIBUTOR Denis Feklushkin)
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$(D_CONTRIBUTOR Dennis)
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$(D_CONTRIBUTOR Dennis Korpel)
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$(D_CONTRIBUTOR Feldwor)
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$(D_CONTRIBUTOR HuskyNator)
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$(D_CONTRIBUTOR Iain Buclaw)
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$(D_CONTRIBUTOR IchorDev)
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$(D_CONTRIBUTOR Imperatorn)
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$(D_CONTRIBUTOR imrying)
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$(D_CONTRIBUTOR Jeremy)
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$(D_CONTRIBUTOR jibal)
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$(D_CONTRIBUTOR Martin Kinkelin)
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$(D_CONTRIBUTOR Mathias Lang)
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$(D_CONTRIBUTOR Mathis Beer)
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$(D_CONTRIBUTOR mhh)
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$(D_CONTRIBUTOR Mike Parker)
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$(D_CONTRIBUTOR Nicholas Wilson)
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$(D_CONTRIBUTOR Nick Treleaven)
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$(D_CONTRIBUTOR Paul Backus)
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$(D_CONTRIBUTOR Petar Kirov)
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$(D_CONTRIBUTOR Rainer Schuetze)
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$(D_CONTRIBUTOR Razvan Nitu)
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$(D_CONTRIBUTOR richard (rikki) andrew cattermole)
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$(D_CONTRIBUTOR ryuukk)
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$(D_CONTRIBUTOR Sönke Ludwig)
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$(D_CONTRIBUTOR Teodor Dutu)
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$(D_CONTRIBUTOR Tim Schendekehl)
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$(D_CONTRIBUTOR Walter Bright)
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$(D_CONTRIBUTOR Yang Yujie)
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$(D_CONTRIBUTOR Семён Марьясин)
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)
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$(D_CONTRIBUTORS_FOOTER)
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$(CHANGELOG_NAV_INJECT)
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Macros:
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VER=2.107.0
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TITLE=Change Log: $(VER)

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