[clang] [flang] [flang][Driver] Support -Xlinker in flang (PR #107472)

[Tarun Prabhu via cfe-commits]

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@@ -0,0 +1,6 @@
+! RUN: %flang -### -o /dev/null %s -Xlinker -rpath=/not/a/real/path 2>&1 | FileCheck %s
+
+! CHECK: "-fc1"
+! CHECK-NEXT: "-rpath=/not/a/real/path"
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tarunprabhu wrote:

Thanks. I have updated the tests quite extensively. There are now checks for various platforms and multiple occurrences of `-Xlinker`. How does this look?

https://github.com/llvm/llvm-project/pull/107472