diff options
Diffstat (limited to 'gcc/recog.c')
-rw-r--r-- | gcc/recog.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index 9bbd10b..746c0f9 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -409,8 +409,11 @@ validate_replace_rtx_1 (loc, from, to, object) register int i, j; register const char *fmt; register rtx x = *loc; - enum rtx_code code = GET_CODE (x); + enum rtx_code code; + if (!x) + return; + code = GET_CODE (x); /* X matches FROM if it is the same rtx or they are both referring to the same register in the same mode. Avoid calling rtx_equal_p unless the operands look similar. */ |