diff --git a/gcc/optabs.c b/gcc/optabs.c
index 019bbb628825963e8b03b5ce8d7470912f93ba0c..ca00bbda10767a1216ac8eccaa959999d4177c94 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -1135,6 +1135,10 @@ expand_doubleword_mod (machine_mode mode, rtx op0, rtx op1, bool unsignedp)
 
       remainder = convert_modes (mode, word_mode, remainder, unsignedp);
       /* Punt if we need any library calls.  */
+      if (last)
+	last = NEXT_INSN (last);
+      else
+	last = get_insns ();
       for (; last; last = NEXT_INSN (last))
 	if (CALL_P (last))
 	  return NULL_RTX;
@@ -1228,6 +1232,10 @@ expand_doubleword_divmod (machine_mode mode, rtx op0, rtx op1, rtx *rem,
     }
 
   /* Punt if we need any library calls.  */
+  if (last)
+    last = NEXT_INSN (last);
+  else
+    last = get_insns ();
   for (; last; last = NEXT_INSN (last))
     if (CALL_P (last))
       return NULL_RTX;
diff --git a/gcc/testsuite/gcc.dg/pr103838.c b/gcc/testsuite/gcc.dg/pr103838.c
new file mode 100644
index 0000000000000000000000000000000000000000..cde44e6e4e3791fcbbac33889e06021a8f43b004
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr103838.c
@@ -0,0 +1,28 @@
+/* PR debug/103838 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+
+#ifdef __SIZEOF_INT128__
+__int128 m;
+#else
+long long m;
+#endif
+int n;
+
+__attribute__((noinline)) void
+bar (void)
+{
+  n += !!m;
+}
+
+void
+foo (void)
+{
+  int i;
+
+  for (i = 0; i < 2; ++i)
+    {
+      bar ();
+      m /= 3;
+    }
+}