[llvm-bugs] [Bug 49540] New: some clang driver tests fail in builds configured with -DCLANG_DEFAULT_RTLIB=libgcc

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49540

            Bug ID: 49540
           Summary: some clang driver tests fail in builds configured with
                    -DCLANG_DEFAULT_RTLIB=libgcc
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: hans at chromium.org
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

In builds configured with -DCLANG_DEFAULT_RTLIB=libgcc, the tests below fail:

   Clang :: Driver/aix-ld.c
   Clang :: Driver/aix-rtlib.c
   Clang :: Driver/baremetal-sysroot.cpp
   Clang :: Driver/baremetal.cpp
   Clang :: Driver/wasm-toolchain.c
   Clang :: Driver/wasm-toolchain.cpp


For example, Driver/wasm-toolchain.cpp excepts to see
libclang_rt.builtins-wasm32.a in the linker invocation, with when configured as
above, it gets -lgcc instead.

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