clang/test/Parser/generic-selection-type-extension-pedantic.c

// RUN: %clang_cc1 -std=c2x -fsyntax-only -verify -pedantic %s

// Test that we get the extension warning when appropriate and that it shows up
// in the right location.
void test(void) {
  (void)_Generic(
	  int,  // expected-warning {{passing a type argument as the first operand to '_Generic' is a C2y extension}}
	  int : 0);
  (void)_Generic(
	  12,
	  int : 0);
}