diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp --- a/clang/lib/Driver/ToolChains/CommonArgs.cpp +++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp @@ -1529,7 +1529,7 @@ // Targets that don't use unwind libraries. if ((TC.getTriple().isAndroid() && UNW == ToolChain::UNW_Libgcc) || TC.getTriple().isOSIAMCU() || TC.getTriple().isOSBinFormatWasm() || - UNW == ToolChain::UNW_None) + TC.getTriple().isWindowsMSVCEnvironment() || UNW == ToolChain::UNW_None) return; LibGccType LGT = getLibGccType(TC, D, Args); diff --git a/clang/test/Driver/compiler-rt-unwind.c b/clang/test/Driver/compiler-rt-unwind.c --- a/clang/test/Driver/compiler-rt-unwind.c +++ b/clang/test/Driver/compiler-rt-unwind.c @@ -88,6 +88,12 @@ // RTLIB-GCC-UNWINDLIB-COMPILER_RT: "{{[.|\\\n]*}}--rtlib=libgcc requires --unwindlib=libgcc" // // RUN: %clang -### %s 2>&1 \ +// RUN: --target=x86_64-pc-windows-msvc -rtlib=compiler-rt --unwindlib=libunwind \ +// RUN: | FileCheck --check-prefix=MSVC-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT %s +// MSVC-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT: "{{.*}}clang_rt.builtins-x86_64.lib" +// MSVC-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT-NOT: "{{.*}}unwind.lib" +// +// RUN: %clang -### %s 2>&1 \ // RUN: --target=x86_64-w64-mingw32 -rtlib=compiler-rt --unwindlib=libunwind \ // RUN: -shared-libgcc \ // RUN: --gcc-toolchain="" \