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re PR tree-optimization/53168 (ICE in find_or_generate_expression, at tree-ssa-pre...
authorRichard Guenther <rguenther@suse.de>
Fri, 4 May 2012 11:30:35 +0000 (11:30 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Fri, 4 May 2012 11:30:35 +0000 (11:30 +0000)
commitefe7068bc9c80858b6025e737eafb90b0a7882c5
tree7d21863fba308e651133dda59a0cb35c8c4490e7tree
parent1d67dde88392a5271855bf4d8420764e4e3f451acommit | diff
re PR tree-optimization/53168 (ICE in find_or_generate_expression, at tree-ssa-pre.c:3053)

2012-05-04  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/53168
* tree-ssa-pre.c (phi_translate_1): Only handle type-punned
memory reads when the result is a constant we can pun.

* gcc.dg/torture/pr53168.c: New testcase.
* gcc.dg/tree-ssa/ssa-pre-30.c: Likewise.

From-SVN: r187153
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/torture/pr53168.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-30.c [new file with mode: 0644] blob
gcc/tree-ssa-pre.c diff | blob | blame | history
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