[clang-tools-extra] [flang] [llvm] [Flang] make ppc unsupported for x86_64 test case (NFC) (PR #73903)

[via cfe-commits]

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@@ -7,7 +7,7 @@
 !
 ! This test is for x86_64, where exponent-letter 'q' is for
 ! 10-byte extended precision
-! UNSUPPORTED: system-windows
+! UNSUPPORTED: system-windows, system-aix
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madanial0 wrote:

The underflow failure only occurs on AIX for powerpc not on linux so. it seems more appropriate to unsupport AIX only not all of powerpc similar to what is done with windows.

https://github.com/llvm/llvm-project/pull/73903