MaskRay added a comment. The `_GNU_SOURCE` definition needs to be guarded by `if (Opts.CPlusPlus)`.
================ Comment at: clang/test/Driver/arm-baremetal-defines.cpp:1 +// RUN: %clang --target=arm-none-eabi -march=armv7-m %s -emit-llvm -S -c -o - 2>&1 | FileCheck %s + ---------------- Move this to `test/Preprocessor/init-arm.c` Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D136712/new/ https://reviews.llvm.org/D136712 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
