[Bug lto/63998] New: gcc.dg/lto/pr60820 fails on darwin

[fxcoudert at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63998

            Bug ID: 63998
           Summary: gcc.dg/lto/pr60820 fails on darwin
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fxcoudert at gcc dot gnu.org

gcc.dg/lto/pr60820 fails on x86_64-apple-darwin14 because of a warning:

warning: alias definitions not supported in Mach-O; ignored

I don't know if it should just be silenced, as per the patch below (which makes
the testcase pass), or if it indicates a more fundamental issue.


Index: pr60820_0.c
===================================================================
--- pr60820_0.c    (revision 217836)
+++ pr60820_0.c    (working copy)
@@ -1,5 +1,5 @@
 /* { dg-lto-do link } */
-/* { dg-lto-options {{-flto -r -nostdlib -O2}} } */
+/* { dg-lto-options {{-flto -r -nostdlib -O2 -w}} } */
 #include <stdio.h>
 struct in6_addr {int bah;};
 extern const struct in6_addr in6addr_any;