[Bug middle-end/38140] [4.4 Regression] ice for C code with -O2
jakub at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Nov 17 21:01:00 GMT 2008
------- Comment #5 from jakub at gcc dot gnu dot org 2008-11-17 21:00 -------
Subject: Bug 38140
Author: jakub
Date: Mon Nov 17 20:58:52 2008
New Revision: 141949
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141949
Log:
PR middle-end/38140
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If
propagating x = &a into *x = b, add a cast if not useless
type conversion or don't optimize if another stmt would be
needed.
* gcc.dg/pr38140.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr38140.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-forwprop.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38140
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