--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/jit.dg/test-error-gcc_jit_context_new_case-non-integer-type.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,81 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libgccjit.h"
+
+#include "harness.h"
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  /* Let's try to inject the equivalent of:
+      int
+      test_switch (int x)
+      {
+	switch (x)
+	  {
+	  case 0.f ... 5.f:
+	     return 3;
+	  default:
+	     return 10;
+	  }
+      }
+      and verify that the floating-point case is an error.
+   */
+  gcc_jit_type *t_int =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
+  gcc_jit_type *t_float =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_FLOAT);
+  gcc_jit_type *return_type = t_int;
+  gcc_jit_param *x =
+    gcc_jit_context_new_param (ctxt, NULL, t_int, "x");
+  gcc_jit_param *params[1] = {x};
+  gcc_jit_function *func =
+    gcc_jit_context_new_function (ctxt, NULL,
+				  GCC_JIT_FUNCTION_EXPORTED,
+				  return_type,
+				  "test_switch",
+				  1, params, 0);
+
+  gcc_jit_block *b_initial =
+    gcc_jit_function_new_block (func, "initial");
+
+  gcc_jit_block *b_default =
+    gcc_jit_function_new_block (func, "default");
+  gcc_jit_block *b_case_0 =
+    gcc_jit_function_new_block (func, "case_0");
+
+  /* Note the erroneous use of "t_float" here.  */
+  gcc_jit_case *cases[1] = {
+    gcc_jit_context_new_case (
+      ctxt,
+      gcc_jit_context_new_rvalue_from_int (ctxt, t_float, 0),
+      gcc_jit_context_new_rvalue_from_int (ctxt, t_float, 5),
+      b_case_0)
+  };
+
+  gcc_jit_block_end_with_switch (
+    b_initial, NULL,
+    gcc_jit_param_as_rvalue (x),
+    b_default,
+    1,
+    cases);
+
+  gcc_jit_block_end_with_return (
+    b_case_0, NULL,
+    gcc_jit_context_new_rvalue_from_int (ctxt, t_int, 3));
+  gcc_jit_block_end_with_return (
+    b_default, NULL,
+    gcc_jit_context_new_rvalue_from_int (ctxt, t_int, 10));
+}
+
+void
+verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
+{
+  CHECK_VALUE (result, NULL);
+
+  CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
+		      "gcc_jit_context_new_case:"
+		      " min_value: (float)0 (type: float) is not of integer type");
+}