[flang] [clang] [flang][Driver] Support -nodefaultlibs, -nostartfiles and -nostdlib (PR #72601)

[Brad Smith via cfe-commits]

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@@ -18,3 +18,38 @@
 ! MSVC-LINKER-OPTIONS: "{{.*}}link{{(.exe)?}}"
 ! MSVC-LINKER-OPTIONS-SAME: "-dll"
 ! MSVC-LINKER-OPTIONS-SAME: "-rpath" "/path/to/dir"
+
+! Verify that certain linker flags are known to the frontend and are not passed on
+! to the linker.
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brad0 wrote:

Well ya, the original wording that I copied was wrong. The tests are testing Driver flags and how the Driver behaves.

https://github.com/llvm/llvm-project/pull/72601