Rollup merge of rust-lang#140716 - Urgau:improve-remap_scope-tests, r=jieyouxu

Improve `-Zremap-path-scope` tests with dependency

This PR greatly improves our coverage of `-Zremap-path-scope` for diagnostic paths and macros with dependencies.

r? `@jieyouxu` (since we talked about it)

try-job: x86_64-msvc-1

Author: matthiaskrgr

tests/ui/errors/auxiliary/file-debuginfo.rs

@@ -0,0 +1,11 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=debuginfo
+
+#[macro_export]
+macro_rules! my_file {
+    () => { file!() }
+}
+
+pub fn file() -> &'static str {
+    file!()
+}

tests/ui/errors/auxiliary/file-diag.rs

@@ -0,0 +1,11 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=diagnostics
+
+#[macro_export]
+macro_rules! my_file {
+    () => { file!() }
+}
+
+pub fn file() -> &'static str {
+    file!()
+}

tests/ui/errors/auxiliary/file-macro.rs

@@ -0,0 +1,11 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=macro
+
+#[macro_export]
+macro_rules! my_file {
+    () => { file!() }
+}
+
+pub fn file() -> &'static str {
+    file!()
+}

tests/ui/errors/auxiliary/file.rs

@@ -0,0 +1,8 @@
+#[macro_export]
+macro_rules! my_file {
+    () => { file!() }
+}
+
+pub fn file() -> &'static str {
+    file!()
+}

tests/ui/errors/auxiliary/trait-debuginfo.rs

@@ -0,0 +1,4 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=debuginfo
+
+pub trait Trait: std::fmt::Display {}

tests/ui/errors/auxiliary/trait-diag.rs

@@ -0,0 +1,4 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=diagnostics
+
+pub trait Trait: std::fmt::Display {}

tests/ui/errors/auxiliary/trait-macro.rs

@@ -0,0 +1,4 @@
+//@ compile-flags: --remap-path-prefix={{src-base}}=remapped
+//@ compile-flags: -Zremap-path-scope=macro
+
+pub trait Trait: std::fmt::Display {}

tests/ui/errors/auxiliary/trait.rs

@@ -0,0 +1 @@
+pub trait Trait: std::fmt::Display {}

tests/ui/errors/remap-path-prefix-diagnostics.not-diag-in-deps.stderr

@@ -0,0 +1,17 @@
+error[E0277]: `A` doesn't implement `std::fmt::Display`
+  --> remapped/errors/remap-path-prefix-diagnostics.rs:LL:COL
+   |
+LL | impl r#trait::Trait for A {}
+   |                         ^ `A` cannot be formatted with the default formatter
+   |
+   = help: the trait `std::fmt::Display` is not implemented for `A`
+   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
+note: required by a bound in `Trait`
+  --> $DIR/auxiliary/trait.rs:LL:COL
+   |
+LL | pub trait Trait: std::fmt::Display {}
+   |                  ^^^^^^^^^^^^^^^^^ required by this bound in `Trait`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.

tests/ui/errors/remap-path-prefix-diagnostics.only-debuginfo-in-deps.stderr

@@ -0,0 +1,17 @@
+error[E0277]: `A` doesn't implement `std::fmt::Display`
+  --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL
+   |
+LL | impl r#trait::Trait for A {}
+   |                         ^ `A` cannot be formatted with the default formatter
+   |
+   = help: the trait `std::fmt::Display` is not implemented for `A`
+   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
+note: required by a bound in `Trait`
+  --> $DIR/auxiliary/trait-debuginfo.rs:LL:COL
+   |
+LL | pub trait Trait: std::fmt::Display {}
+   |                  ^^^^^^^^^^^^^^^^^ required by this bound in `Trait`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.