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[Bug gcov-profile/58306] Broken profiling for unrar sources: error: corrupted value profile: value profile counter (X out of Y) inconsistent with basic-block count
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 12 Aug 2016 11:55:07 +0000
- Subject: [Bug gcov-profile/58306] Broken profiling for unrar sources: error: corrupted value profile: value profile counter (X out of Y) inconsistent with basic-block count
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-58306-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58306
--- Comment #33 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 39275
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39275&action=edit
Patch candidate for the fallout
Hi Andread.
Can you please test me the following patch. I understand why the symbol is
undefined, but what I don't understand why is atomic update mode selected for
the test-case. Following patch should detect whether a target is capable of
atomic update operations, however libgcov.a would still contain
__atomic_fetch_add_8, which should be fine as soon as nobody is calling
functions that contain the symbol?