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Build tests for ARM64EC pipeline by cpplearner · Pull Request #5521 · microsoft/STL · GitHub
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Build tests for ARM64EC pipeline #5521
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| // Windows SDK 10.0.26100.0 will avoid that error, but we'll need to investigate why user.ixx emits: | ||
| // "error C2678: binary '==': no operator found which takes a left-hand operand of type 'const std::string' | ||
| // (or there is no acceptable conversion)" |
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This error C2678 turns out to be unaffected by architecture or Windows SDK version, and affected by the execution charset: error C2678 manifests if and only if the execution charset is not self-synchronizing (e.g. cp932, cp936). With cp1252 or UTF-8, the test compiles successfully.
No change requested for this PR,but we could maybe file a bug report against the compiler.
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Looks like something in some non-_Is_execution_charset_self_synchronizing() branch in <format> fails to compile.
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for increasing our Azure spending significantly! 📈 💵 🤑 |
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Closes #2310
<Windows.h>(possibly via a centralized header, e.g.test_death.hpp), and produce warning C28301:C:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\um\winnt.h(3209) : warning C28301: No annotations for first declaration of '_InterlockedCompareExchange128'. See c:\program files\microsoft visual studio\2022\preview\vc\tools\msvc\14.44.35207\include\intrin0.inl.h(185)./wd28301compiler option. It might also be possible to instead add a pragma to each affected file.#pragma intrinsic(fabsf)in<corecrt_math.h>for ARM64EC, which seems to cause problems in several tests.GH_002206_unreserved_namesneeds to avoid definingintrinsicas a macro.error LNK2019: unresolved external symbol fabsf referenced in function #fabsf$exit_thunk (EC Symbol).VSO_1775715_user_defined_modulesis still failing withtests\std\tests\VSO_1775715_user_defined_modules\user.ixx(24): error C2678: binary '==': no operator found which takes a left-hand operand of type 'const std::string' (or there is no acceptable conversion).#pragma function(fabsf)in<corecrt_math.h>, which seems to fix the abovementioned problems, but breaks Clang 19. This is LLVM-116256 and fixed in Clang 20.GH_001103_countl_zero_correctnessneeds to update its preprocessor condition to exclude ARM64EC. I've copied the condition from<__msvc_bit_utils.hpp>.