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2013-01-16 Richard Biener <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 16 Jan 2013 13:57:48 +0000 (13:57 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 16 Jan 2013 13:57:48 +0000 (13:57 +0000)
commitd590d541c798fb75e50687a40a0621982bd7ff81
treebf26002dab1b0a5d65c7eb332ee9ec6f9b197e26tree | snapshot
parentc7cd65bf94631d6de3be405de407a887ec0f9f7ecommit | diff
2013-01-16  Richard Biener  <rguenther@suse.de>

PR tree-optimization/54767
PR tree-optimization/53465
* tree-vrp.c (vrp_meet_1): Revert original fix for PR53465.
(vrp_visit_phi_node): For PHI arguments coming via backedges
drop all symbolical range information.
(execute_vrp): Compute backedges.

* gfortran.fortran-torture/execute/pr54767.f90: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195238 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gfortran.fortran-torture/execute/pr54767.f90 [new file with mode: 0644] blob
gcc/tree-vrp.c diff | blob | history
Domain: System / Toolchain;