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-rw-r--r--gcc/gensupport.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/gensupport.c b/gcc/gensupport.c
index e1ca06d..4022c66 100644
--- a/gcc/gensupport.c
+++ b/gcc/gensupport.c
@@ -1291,6 +1291,9 @@ alter_constraints (rtx pattern, int n_dup, constraints_handler_t alter)
case MATCH_OPERAND:
XSTR (pattern, 2) = alter (XSTR (pattern, 2), n_dup);
break;
+ case MATCH_SCRATCH:
+ XSTR (pattern, 1) = alter (XSTR (pattern, 1), n_dup);
+ break;
default:
break;