[Bug tree-optimization/50729] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50729 --- Comment #1 from Matthew Gretton-Dann mgretton at sourceware dot org 2011-10-14 13:40:14 UTC --- Created attachment 25498 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25498 Cutdown pre-processed non-executable testcase

[Bug tree-optimization/50729] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50729 --- Comment #2 from Matthew Gretton-Dann mgretton at sourceware dot org 2011-10-14 13:49:15 UTC --- Created attachment 25499 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25499 Tree just before VRP

[Bug tree-optimization/50729] Silent code gen fault: Value range propagation seems to propagate values across narrowing/widening

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50729 --- Comment #3 from Matthew Gretton-Dann mgretton at sourceware dot org 2011-10-14 13:49:50 UTC --- Created attachment 25500 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25500 VRP1 Analysis and resultant tree