llvm-project/clang/test/Parser/opencl-storage-class.cl

// RUN: %clang_cc1 %s -verify -fsyntax-only

void test_storage_class_specs()
{
  static int a;    // expected-error {{OpenCL does not support the 'static' storage class specifier}}
  register int b;  // expected-error {{OpenCL does not support the 'register' storage class specifier}}
  extern int c;    // expected-error {{OpenCL does not support the 'extern' storage class specifier}}
  auto int d;      // expected-error {{OpenCL does not support the 'auto' storage class specifier}}

#pragma OPENCL EXTENSION cl_clang_storage_class_specifiers : enable
  static int e; // expected-error {{static local variable must reside in constant address space}}
  register int f;
  extern int g; // expected-error {{extern variable must reside in constant address space}}
  auto int h;
}