[Bug tree-optimization/52734] [4.7/4.8 Regression] Incorrect optimization of uClibc sbrk()

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52734

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |tom at codesourcery dot com
          Component|rtl-optimization            |tree-optimization

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-27 09:21:51 UTC ---
Caused by tail merging.  -fno-tree-tail-merge fixes it.