[llvm] [openmp] [clang] [libcxx] [lld] [lto] Add minimum macos sdk requirement to test (PR #77695)

[Caslyn Tonelli via cfe-commits]

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@@ -5,6 +5,8 @@
 ; RUN: %ld64 -lto_library %llvmshlibdir/libLTO.dylib -dylib -arch x86_64 -macos_version_min 10.10.0 -o %t.dylib %t.o -save-temps  -undefined dynamic_lookup -exported_symbol _bar -lSystem -mllvm -lto-discard-value-names=false
 ; RUN: llvm-dis %t.dylib.lto.opt.bc -o - | FileCheck --check-prefix=KEEP %s
 
+; REQUIRES: macos-sdk-10.15
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Caslyn wrote:

> Hmmm, did you try this with a newer SDK to confirm it works as expected or is possible that it now just doesn't run? ... 

@fhahn, you're right, testing locally this is too restrictive. The failing builder is using the MacOSX sdk version 13.3. Do you know if/how that version can have any effect on this test?

https://github.com/llvm/llvm-project/pull/77695