re PR tree-optimization/31169 (Bootstrap comparison error at revision 122821)

[gcc.git] / gcc / ChangeLog

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+2007-04-01  Richard Henderson  <rth@redhat.com>
+
+       PR tree-optimization/31169
+       * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
+       to varying if the range is outside [0,  prec-1].
+
 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
 
        PR target/31388