1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-error-register-variable-size-mismatch.c b/gcc/testsuite/jit.dg/test-error-register-variable-size-mismatch.c
new file mode 100644
index 00000000000..edea50f8104
--- /dev/null
+++ b/gcc/testsuite/jit.dg/test-error-register-variable-size-mismatch.c
@@ -0,0 +1,38 @@
+/*
+
+  Test that the proper error is triggered when we build a register variable
+  with a register name that doesn't exist.
+
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "libgccjit.h"
+#include "harness.h"
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  gcc_jit_type *int_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
+  gcc_jit_type *array_type =
+    gcc_jit_context_new_array_type (ctxt, NULL, int_type, 4096);
+  gcc_jit_lvalue *global_variable =
+    gcc_jit_context_new_global (
+      ctxt, NULL, GCC_JIT_GLOBAL_EXPORTED, array_type, "global_variable");
+  gcc_jit_lvalue_set_register_name(global_variable, "r12");
+}
+
+void
+verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
+{
+  /* Ensure that the bad API usage prevents the API giving a bogus
+     result back.  */
+  CHECK_VALUE (result, NULL);
+
+  /* Verify that the correct error message was emitted. */
+  CHECK_STRING_VALUE
+    (gcc_jit_context_get_last_error (ctxt),
+     "data type of 'global_variable' isn't suitable for a register");
+}