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+2011-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51247
+ * tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
+ types instead of adding 1 subtract -1 and instead of subtracting 1
+ add -1 to avoid overflows.
+
2011-11-29 Andrew MacLeod <amacleod@redhat.com>
PR target/50123