Const parameters are always unmodified

[thirdparty/gcc.git] / gcc / ChangeLog

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+2016-05-18  Martin Jambor  <mjambor@suse.cz>
+
+       PR ipa/69708
+       * ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
+       from TREE_READONLY parameters.
+
 2016-05-18  Martin Jambor  <mjambor@suse.cz>
 
        PR ipa/69708