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re PR objc/80949 (ICE in do_warn_duplicated_branches_r)

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PR objc/80949
	* c-warn.c (do_warn_duplicated_branches): Return if any of the
	branches is null.

From-SVN: r249171
This commit is contained in:
Marek Polacek 2017-06-13 17:30:58 +00:00 • committed by Marek Polacek
parent 6ae036b330
commit 8a51658814
2 changed files with 8 additions and 2 deletions
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6
gcc/c-family/ChangeLog
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@ -1,3 +1,9 @@
2017-06-13 Marek Polacek <polacek@redhat.com>
PR objc/80949
* c-warn.c (do_warn_duplicated_branches): Return if any of the
branches is null.
2017-06-13 Martin Liska <mliska@suse.cz>
PR sanitize/78204

4
gcc/c-family/c-warn.c
View file

@ -2354,8 +2354,8 @@ do_warn_duplicated_branches (tree expr)
tree thenb = COND_EXPR_THEN (expr);
tree elseb = COND_EXPR_ELSE (expr);
/* Don't bother if there's no else branch. */
if (elseb == NULL_TREE)
/* Don't bother if any of the branches is missing. */
if (thenb == NULL_TREE || elseb == NULL_TREE)
return;
/* And don't warn for empty statements. */