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+2018-04-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/85529
+ * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Add FIRST_BB
+ argument. Don't call get_nonzero_bits if opcode is ERROR_MARK_NODE,
+ rhs2 def stmt's bb is dominated by first_bb and it isn't an obvious
+ zero extension or masking of the MSB bit.
+ (optimize_range_tests): Add FIRST_BB argument, pass it through
+ to optimize_range_tests_var_bound.
+ (maybe_optimize_range_tests, reassociate_bb): Adjust
+ optimize_range_tests callers.
+
2018-04-26 Richard Biener <rguenther@suse.de>
Jakub Jelinek <jakub@redhat.com>