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re PR tree-optimization/57685 (GCC stuck in an infinite loop)
authorRichard Biener <rguenther@suse.de>
Thu, 29 Aug 2013 07:45:59 +0000 (07:45 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 29 Aug 2013 07:45:59 +0000 (07:45 +0000)
commit6b1184bab6d4f38dbab3a970634510bf9fc675b2
tree85c5a4d586c56556ab70286081d0e775cca3399etree | snapshot
parent2ec974d90fb0920d58ed5f987e738f7d069eb3f4commit | diff
re PR tree-optimization/57685 (GCC stuck in an infinite loop)

2013-08-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/57685
* tree-vrp.c (register_edge_assert_for_1): Recurse only for
single-use operands to avoid exponential complexity.

* gcc.dg/torture/pr57685.c: New testcase.

From-SVN: r202068
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr57685.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history
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