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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/builtins.c | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74f3fe3..25bf3ba 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu> + + * builtins.c (c_strlen): Treat an offset too large for a + HOST_WIDE_INT as out of range. + Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz> * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags. diff --git a/gcc/builtins.c b/gcc/builtins.c index 7cd7e89..025dd2c 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -265,8 +265,10 @@ c_strlen (src) /* We have a known offset into the string. Start searching there for a null character if we can represent it as a single HOST_WIDE_INT. */ - if (offset_node == 0 || ! host_integerp (offset_node, 0)) + if (offset_node == 0) offset = 0; + else if (! host_integerp (offset_node, 0)) + offset = -1; else offset = tree_low_cst (offset_node, 0); |