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[Bug target/64703] glibc sysdeps/powerpc/powerpc64/dl-machine.h miscompile
- From: "amodra at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 21 Jan 2015 10:55:03 +0000
- Subject: [Bug target/64703] glibc sysdeps/powerpc/powerpc64/dl-machine.h miscompile
- Auto-submitted: auto-generated
- References: <bug-64703-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64703
--- Comment #6 from Alan Modra <amodra at gmail dot com> ---
Re comment #2, yes I agree that conversion between void* or pointer to object
and pointer to function is not strictly allowed. Fixing that by way of a union
was one of the first things I tried, before looking at dumps and finding that
tree dse was where we lost the opd stores. And yes, the testcase can be
compiled on x86_64 where (unsurprisingly) the stores are seen as dead too.