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r181818 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 29 Nov 2011 21:03:12 -0000
- Subject: r181818 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: jakub
Date: Tue Nov 29 21:03:09 2011
New Revision: 181818
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181818
Log:
PR tree-optimization/51247
* tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
types instead of adding 1 subtract -1 and instead of subtracting 1
add -1 to avoid overflows.
* gcc.c-torture/compile/pr51247.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr51247.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c