[Bug middle-end/51211] ICE: SIGSEGV in execute_tm_mark (trans-mem.c:2242) with -fgnu-tm -O -freorder-blocks -ftracer --param hot-bb-frequency-fraction=1 and __transaction_atomic

[patrick.marlier at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51211

Patrick Marlier <patrick.marlier at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |aldyh at gcc dot gnu.org

--- Comment #1 from Patrick Marlier <patrick.marlier at gmail dot com> 
2011-11-18 18:11:56 UTC ---
This seems to solve the issue but we need to figure out why we get _ITM_RU
here.
Thanks for reporting :)

Patrick Marlier.

Index: trans-mem.c
===================================================================
--- trans-mem.c (revision 181466)
+++ trans-mem.c (working copy)
@@ -2211,6 +2211,9 @@
   if (fn_decl == builtin_decl_explicit (BUILT_IN_TM_MEMSET))
     transaction_subcode_ior (region, GTMA_HAVE_STORE);

+  if (flags_from_decl_or_type (fn_decl) & ECF_TM_BUILTIN)
+    return false;
+
   if (is_tm_pure_call (stmt))
     return false;