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re PR tree-optimization/92241 (ice in vect_mark_pattern_st mts, at tree-vect-patterns.c:5175) · 97c6bea82019-10-28 Richard Biener <rguenther@suse.de> PR tree-optimization/92241 * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): When we failed to update the reduction index do not use the pattern stmts for the reduction chain. (vectorizable_reduction): When the reduction chain is corrupt, fail. * tree-vect-patterns.c (vect_mark_pattern_stmts): Stop when we fail to update the reduction chain. * gcc.dg/torture/pr92241.c: New testcase. From-SVN: r277516
Richard Biener committed