https://bugs.llvm.org/show_bug.cgi?id=48220
Bug ID: 48220
Summary: clang-cl: ignore /Zc:preprocessor
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: lev.rumyant...@gmail.com
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
Visual C++ 2019 has new compiler option /Zc:preprocessor for ISO C++
conformance. As clang should be conforming by default, it should ignore them
instead of issuing a warning "argument unused during compilation".
https://devblogs.microsoft.com/cppblog/announcing-full-support-for-a-c-c-conformant-preprocessor-in-msvc/
https://docs.microsoft.com/en-us/cpp/build/reference/zc-conformance?view=msvc-160
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