diff --git a/src/backend/cgcod.c b/src/backend/cgcod.c
index 3f4bd59269aa..22c04007a8a4 100644
--- a/src/backend/cgcod.c
+++ b/src/backend/cgcod.c
@@ -2474,7 +2474,7 @@ code *scodelem(elem *e,regm_t *pretregs,regm_t keepmsk,bool constflag)
 const char *regm_str(regm_t rm)
 {
     #define NUM 4
-    #define SMAX 64
+    #define SMAX 128
     static char str[NUM][SMAX + 1];
     static int i;
 
diff --git a/src/backend/cgen.c b/src/backend/cgen.c
index 477201b19d94..45c19421ff9a 100644
--- a/src/backend/cgen.c
+++ b/src/backend/cgen.c
@@ -204,6 +204,7 @@ code *gen1(code *c,unsigned op)
 
   ce = code_calloc();
   ce->Iop = op;
+  ccheck(ce);
   assert(op != LEA);
   if (c)
   {     cstart = c;