83e291014f
Prior to r15-6001, reduction_phi() could be called with the PHI parameter not actually being a gphi*. The search through reduction_list would fail and return NULL. r15-6001 added a requirement that PHI actually be a gphi*, but did not add a check for this. The PR shows an example where the check is needed; fix by explicitly returning NULL in this case. gcc/ChangeLog: PR tree-optimization/118205 * tree-parloops.cc (reduction_phi): Return NULL if PHI parameter is not a phi node. gcc/testsuite/ChangeLog: PR tree-optimization/118205 * c-c++-common/pr118205.c: New test. |
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