Merge pull request #2786 from kubo39/update-predefined-version-identifier

spec: add missing version identifiers
merged-on-behalf-of: Nicholas Wilson <thewilsonator@users.noreply.github.com>

Author: dlang-bot

spec/version.dd

@@ -262,6 +262,11 @@ $(H3 $(LEGACY_LNAME2 PredefinedVersions, predefined-versions, Predefined Version
         $(TROW $(ARGS $(D CRuntime_Musl)) , $(ARGS musl C runtime))
         $(TROW $(ARGS $(D CRuntime_UClibc)) , $(ARGS uClibc C runtime))
         $(TROW $(ARGS $(D CRuntime_WASI)) , $(ARGS WASI C runtime))
+        $(TROW $(ARGS $(D CppRuntime_Clang)) , $(ARGS Clang Cpp runtime))
+        $(TROW $(ARGS $(D CppRuntime_DigitalMars)) , $(ARGS DigitalMars Cpp runtime))
+        $(TROW $(ARGS $(D CppRuntime_Gcc)) , $(ARGS Gcc Cpp runtime))
+        $(TROW $(ARGS $(D CppRuntime_Microsoft)) , $(ARGS Microsoft Cpp runtime))
+        $(TROW $(ARGS $(D CppRuntime_Sun)) , $(ARGS Sun Cpp runtime))
         $(TROW $(ARGS $(D X86)) , $(ARGS Intel and AMD 32-bit processors))
         $(TROW $(ARGS $(D X86_64)) , $(ARGS Intel and AMD 64-bit processors))
         $(TROW $(ARGS $(D ARM)) , $(ARGS The ARM architecture (32-bit) (AArch32 et al)))
@@ -287,6 +292,7 @@ $(H3 $(LEGACY_LNAME2 PredefinedVersions, predefined-versions, Predefined Version
         $(TROW $(ARGS $(D MIPS_EABI)) , $(ARGS The MIPS EABI))
         $(TROW $(ARGS $(D MIPS_SoftFloat)) , $(ARGS The MIPS $(D soft-float) ABI))
         $(TROW $(ARGS $(D MIPS_HardFloat)) , $(ARGS The MIPS $(D hard-float) ABI))
+        $(TROW $(ARGS $(D MSP430)) , $(ARGS The MSP430 architecture))
         $(TROW $(ARGS $(D NVPTX)) , $(ARGS The Nvidia Parallel Thread Execution (PTX) architecture, 32-bit))
         $(TROW $(ARGS $(D NVPTX64)) , $(ARGS The Nvidia Parallel Thread Execution (PTX) architecture, 64-bit))
         $(TROW $(ARGS $(D RISCV32)) , $(ARGS The RISC-V architecture, 32-bit))