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* tree.c (initializer_zerop): Handle STRING_CST.

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From-SVN: r159103
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Maxim Kuvyrkov 2010-05-06 10:28:46 +00:00 • committed by Maxim Kuvyrkov
parent 3734d9607e
commit 315a02daf1
2 changed files with 17 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
* tree.c (initializer_zerop): Handle STRING_CST.
2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR 40989

13
gcc/tree.c
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@ -9414,6 +9414,19 @@ initializer_zerop (const_tree init)
return true;
}
case STRING_CST:
{
int i;
/* We need to loop through all elements to handle cases like
"\0" and "\0foobar". */
for (i = 0; i < TREE_STRING_LENGTH (init); ++i)
if (TREE_STRING_POINTER (init)[i] != '\0')
return false;
return true;
}
default:
return false;
}