[clang] [clang][driver] Fix -print-libgcc-file-name on Darwin platforms (PR #98325)

[Fangrui Song via cfe-commits]

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@@ -0,0 +1,27 @@
+// RUN: %clang -rtlib=compiler-rt -print-libgcc-file-name \
+// RUN:     --target=armv7em-apple-darwin \
+// RUN:     -resource-dir=%S/Inputs/resource_dir 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-CLANGRT-HARD_STATIC %s
+// CHECK-CLANGRT-HARD_STATIC: libclang_rt.hard_static.a
+
+// RUN: %clang -rtlib=compiler-rt -print-libgcc-file-name \
+// RUN:     --target=armv7em-apple-darwin -msoft-float \
+// RUN:     -resource-dir=%S/Inputs/resource_dir 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-CLANGRT-SOFT_STATIC %s
+// CHECK-CLANGRT-SOFT_STATIC: libclang_rt.soft_static.a
+
+// RUN: %clang -rtlib=compiler-rt -print-libgcc-file-name \
+// RUN:     --target=armv7em-apple-darwin -fPIC \
+// RUN:     -resource-dir=%S/Inputs/resource_dir 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-CLANGRT-HARD_PIC %s
+// CHECK-CLANGRT-HARD_PIC: libclang_rt.hard_pic.a
+
+// RUN: %clang -rtlib=compiler-rt -print-libgcc-file-name \
+// RUN:     --target=armv7em-apple-darwin -msoft-float -fPIC \
+// RUN:     -resource-dir=%S/Inputs/resource_dir 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-CLANGRT-SOFT_PIC %s
+// CHECK-CLANGRT-SOFT_PIC: libclang_rt.soft_pic.a
+
+// FIXME: -print-libgcc-file-name is using the default toolchain
+//        so the tests above do not give the right answer yet.
+// XFAIL: *
----------------
MaskRay wrote:

We don't usually add `XFAIL: *` tests unless there is a plan to fix it. Are you going to fix it?

https://github.com/llvm/llvm-project/pull/98325