1 files changed, 87 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-error-call-with-mismatching-args.c b/gcc/testsuite/jit.dg/test-error-call-with-mismatching-args.c
new file mode 100644
index 000000000000..7306ffd0cbc5
--- /dev/null
+++ b/gcc/testsuite/jit.dg/test-error-call-with-mismatching-args.c
@@ -0,0 +1,87 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "libgccjit.h"
+
+#include "harness.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  extern void
+  called_function (void *ptr);
+
+#ifdef __cplusplus
+}
+#endif
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  /* Let's try to inject the equivalent of:
+     extern void called_function (void *ptr);
+
+     void
+     test_fn ()
+     {
+        called_function (42);
+     }
+
+     and verify that the API complains about the mismatching argument
+     type ("int" vs "void *").  */
+  gcc_jit_type *void_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
+  gcc_jit_type *void_ptr_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID_PTR);
+  gcc_jit_type *int_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
+
+  /* Declare the imported function.  */
+  gcc_jit_param *param =
+    gcc_jit_context_new_param (ctxt, NULL, void_ptr_type, "ptr");
+  gcc_jit_function *called_fn =
+    gcc_jit_context_new_function (ctxt, NULL,
+                                  GCC_JIT_FUNCTION_IMPORTED,
+                                  void_type,
+                                  "called_function",
+                                  1, &param,
+                                  0);
+
+  /* Build the test_fn.  */
+  gcc_jit_function *test_fn =
+    gcc_jit_context_new_function (ctxt, NULL,
+                                  GCC_JIT_FUNCTION_EXPORTED,
+                                  void_type,
+                                  "test_fn",
+                                  0, NULL,
+                                  0);
+  /* called_function (42);  */
+  gcc_jit_rvalue *arg =
+    gcc_jit_context_new_rvalue_from_int (ctxt, int_type, 42);
+
+  gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
+  gcc_jit_block_add_eval (
+    block, NULL,
+    gcc_jit_context_new_call (ctxt,
+                              NULL,
+                              called_fn,
+                              1, &arg));
+  /* the above has the wrong type for argument 1.  */
+  gcc_jit_block_end_with_void_return (block, NULL);
+}
+
+void
+verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
+{
+  CHECK_VALUE (result, NULL);
+
+  /* Verify that the correct error message was emitted.  */
+  CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
+		      ("gcc_jit_context_new_call:"
+		       " mismatching types for argument 1"
+		       " of function \"called_function\":"
+		       " assignment to param ptr (type: void *)"
+		       " from (int)42 (type: int)"));
+}
+