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[Bug middle-end/38934] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Jan 2009 10:40:34 -0000
- Subject: [Bug middle-end/38934] [4.3/4.4 Regression] ICE in set_value_range, at tree-vrp.c:398
- References: <bug-38934-7849@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #21 from jakub at gcc dot gnu dot org 2009-01-28 10:40 -------
Subject: Bug 38934
Author: jakub
Date: Wed Jan 28 10:40:06 2009
New Revision: 143723
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143723
Log:
PR middle-end/38934
* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
set to varying whenever max has TREE_OVERFLOW set, similarly
for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
* gcc.dg/pr38934.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr38934.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38934