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 2d44416..690b20e 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -397,7 +397,10 @@ verify_changes (int num) MEM_ADDR_SPACE (object))) break; } - else if (REG_P (changes[i].old) + else if (/* changes[i].old might be zero, e.g. when putting a + REG_FRAME_RELATED_EXPR into a previously empty list. */ + changes[i].old + && REG_P (changes[i].old) && asm_noperands (PATTERN (object)) > 0 && REG_EXPR (changes[i].old) != NULL_TREE && DECL_ASSEMBLER_NAME_SET_P (REG_EXPR (changes[i].old)) |