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re PR middle-end/38474 (compile time explosion in dataflow_set_preserve_mem_locs...
authorRichard Biener <rguenther@suse.de>
Mon, 9 Dec 2013 15:13:07 +0000 (15:13 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 9 Dec 2013 15:13:07 +0000 (15:13 +0000)
commit8cfaeac7d84fd27a864c313ce59cac0a75714fd2
tree463703e3c7e180ad116654082296677f1d21149ctree
parentd5f7d53546f2b649f60481771bfd889e77b53e78commit | diff
re PR middle-end/38474 (compile time explosion in dataflow_set_preserve_mem_locs at -O3)

2013-12-09  Richard Biener  <rguenther@suse.de>

PR middle-end/38474
* tree-ssa-structalias.c (set_union_with_increment): Remove
unreachable code.
(do_complex_constraint): Call set_union_with_increment with
the solution delta, not the full solution.
(make_transitive_closure_constraints): Merge the two
constraints.

From-SVN: r205808
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