diff --git a/gcc/ipa-param-manipulation.cc b/gcc/ipa-param-manipulation.cc
index f4b5e850c2b..ad36b8389c0 100644
--- a/gcc/ipa-param-manipulation.cc
+++ b/gcc/ipa-param-manipulation.cc
@@ -740,6 +740,12 @@ ipa_param_adjustments::modify_call (cgraph_edge *cs,
 	  }
       if (repl)
 	{
+	  if (!useless_type_conversion_p(apm->type, repl->typed.type))
+	    {
+	      repl = force_value_to_type (apm->type, repl);
+	      repl = force_gimple_operand_gsi (&gsi, repl,
+					       true, NULL, true, GSI_SAME_STMT);
+	    }
 	  vargs.quick_push (repl);
 	  continue;
 	}
diff --git a/gcc/testsuite/gcc.dg/ipa/pr114247.c b/gcc/testsuite/gcc.dg/ipa/pr114247.c
new file mode 100644
index 00000000000..60aa2bc0122
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/pr114247.c
@@ -0,0 +1,31 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fsigned-char -fno-strict-aliasing -fwrapv" } */
+
+union a {
+  unsigned short b;
+  int c;
+  signed short d;
+};
+int e, f = 1, g;
+long h;
+const int **i;
+void j(union a k, int l, unsigned m) {
+  const int *a[100];
+  i = &a[0];
+  h = k.d;
+}
+static int o(union a k) {
+  k.d = -1;
+  while (1)
+    if (f)
+      break;
+  j(k, g, e);
+  return 0;
+}
+int main() {
+  union a n = {1};
+  o(n);
+  if (h != -1)
+    __builtin_abort();
+  return 0;
+}