https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #10 from Jakub Jelinek jakub at gcc dot gnu.org ---
Author: jakub
Date: Thu Mar 19 07:53:38 2015
New Revision: 221508
URL: https://gcc.gnu.org/viewcvs?rev=221508root=gccview=rev
Log:
PR sanitizer/65400
* ipa-split.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org ---
Created attachment 35059
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=35059action=edit
gcc5-pr65400.patch
Untested fix for the first issue.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #9 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
(In reply to Jakub Jelinek from comment #8)
Created attachment 35059 [details]
gcc5-pr65400.patch
Untested fix for the first issue.
patch looks good!
and a really nice
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #7 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
(In reply to Jakub Jelinek from comment #6)
Both patches look wrong to me.
For the first change, it is wrong to add TSAN_FUNC_EXIT (), you should never
add it out of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org ---
Both patches look wrong to me.
For the first change, it is wrong to add TSAN_FUNC_EXIT (), you should never
add it out of nothing. First of all, you might consider allowing
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #5 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
Created attachment 35033
-- https://gcc.gnu.org/bugzilla/attachment.cgi?id=35033action=edit
stripped down second test case
For completeness, here is the stripped down test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #3 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
Hmm,
I tried this:
--- gcc/ipa-split.c.jj2015-02-08 21:13:01.0 +0100
+++ gcc/ipa-split.c2015-03-13 11:29:08.878923384 +0100
@@ -1509,6 +1509,16 @@
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #4 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
ok,
this should fix the second regression:
Index: tsan.c
===
--- tsan.c(revision 221355)
+++ tsan.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #1 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
I think the trouble starts at opcua_string.c.039t.fnsplit :
OpcUa_String_Clear (struct OpcUa_String * a_pString)
{
...
bb 5:
# _25 = PHI 0(2), 1(3), 0(4)
if (_25 ==
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65400
--- Comment #2 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
Jakub,
at that time we do not have the __tsan_func_entry calls, only
the __TSAN_FUNC_EXIT thing.
in opcua_string.c.038t.local-pure-const1
OpcUa_String_Clear looks like it
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