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re PR rtl-optimization/55740 (ICE in verify_loop_structure, at cfgloop.c:1582, error...
authorRichard Biener <rguenther@suse.de>
Thu, 20 Dec 2012 12:45:48 +0000 (12:45 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 20 Dec 2012 12:45:48 +0000 (12:45 +0000)
commit63f2ff0f23d633aad769997ec617ce2177c311ec
treebe55ad20b58a1170be63f32e62e1407bc7395272tree
parenteadd3d0d54b72308446ce8e615b180fe33eed36acommit | diff
re PR rtl-optimization/55740 (ICE in verify_loop_structure, at cfgloop.c:1582, error: loop 2's header does not belong directly to it)

2012-12-20  Richard Biener  <rguenther@suse.de>

PR middle-end/55740
* cfghooks.c (merge_blocks): Properly handle merging of
two loop headers.

* g++.dg/torture/pr55740.C: New testcase.

From-SVN: r194633
gcc/ChangeLog diff | blob | blame | history
gcc/cfghooks.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/g++.dg/torture/pr55740.C [new file with mode: 0644] blob
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