testsuite: add callee-no-local regression test

testsuite/tests/codeGen/should_compile/all.T

@@ -130,3 +130,11 @@ test('T21710a', [ unless(tables_next_to_code(), skip) , when(wordsize(32), skip)
 test('T23002', normal, compile, ['-fregs-graph'])
 test('T24264', [req_cmm, grep_errmsg(r'(.*\().*(\) returns to)', [1,2])],
      compile, ['-O -ddump-cmm-from-stg -dno-typeable-binds'])
+
+test('callee-no-local', [
+    req_cmm, unless(arch('wasm32') or unregisterised(), skip),
+    grep_errmsg('ccall')
+  ],
+  compile,
+  ['-ddump-cmm-raw']
+)

testsuite/tests/codeGen/should_compile/callee-no-local.hs

+module Test where
+
+foreign import ccall unsafe "foo" c_foo :: IO ()

testsuite/tests/codeGen/should_compile/callee-no-local.stderr

+           call "ccall" arg hints:  []  result hints:  [] foo();