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re PR tree-optimization/68911 (wrong code with -O1 -ftree-vrp)
authorBin Cheng <bin.cheng@arm.com>
Tue, 12 Jan 2016 17:49:51 +0000 (17:49 +0000)
committerBin Cheng <amker@gcc.gnu.org>
Tue, 12 Jan 2016 17:49:51 +0000 (17:49 +0000)
commitc446cf07e903f12bd0926078b5afd3d9183b744d
tree1d315a0fb804131369f77bee4d8c37167cf44194tree
parentee30410c37af792ec093aee52adc742ea2e7d03dcommit | diff
re PR tree-optimization/68911 (wrong code with -O1 -ftree-vrp)

PR tree-optimization/68911
* tree-vrp.c (adjust_range_with_scev): Check overflow in range
information computed for expression "init + nit * step".

gcc/testsuite/ChangeLog
PR tree-optimization/68911
* gcc.c-torture/execute/pr68911.c: New test.

From-SVN: r232286
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/pr68911.c [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history