[Bug target/71767] Endless stream of warnings when using GCC with -Wa,-q and Clang Integrated Assembler

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71767

--- Comment #14 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Created attachment 39638
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39638&action=edit
exhaustive results for libstdc++ with Xcode 8 + patch

Silenced with

+    # Ignore harmless warnings from Xcode 8.0.
+    regsub -all "(^|\n)ld: warning: direct access in function\[^\n\]* means
the weak symbol cannot be overridden\[^\n\]*" $text "" text

in libstdc++-v3/testsuite/lib/prune.exp.