clang/test/Sema/warn-mixed-decls.c

   1 /* RUN: %clang_cc1 -fsyntax-only -verify -std=c89 -pedantic %s
   2  */
   3 /* RUN: %clang_cc1 -fsyntax-only -verify -std=c89 -Wdeclaration-after-statement %s
   4  */
   5 /* RUN: %clang_cc1 -fsyntax-only -verify -std=c99 -Wdeclaration-after-statement %s
   6  */
   7 /* RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -Wdeclaration-after-statement %s
   8  */
   9
  10 /* Should not emit diagnostic when not pedantic, not enabled or in C++ Code*/
  11 /* RUN: %clang_cc1 -fsyntax-only -verify=none -std=c89 %s
  12  */
  13 /* RUN: %clang_cc1 -fsyntax-only -verify=none -std=c99 %s
  14  */
  15 /* RUN: %clang_cc1 -fsyntax-only -verify=none -std=c89 -Wall %s
  16  */
  17 /* RUN: %clang_cc1 -fsyntax-only -verify=none -std=c99 -Wall -pedantic %s
  18  */
  19 /* RUN: %clang_cc1 -fsyntax-only -verify=none -std=c11 -Wall -pedantic %s
  20  */
  21 /* RUN: %clang_cc1 -fsyntax-only -verify=none -x c++ %s
  22  */
  23 /* RUN: %clang_cc1 -fsyntax-only -verify=none -x c++ -Wdeclaration-after-statement %s
  24  */
  25
  26 /* none-no-diagnostics */
  27
  28 int foo(int i)
  29 {
  30   i += 1;
  31   int f = i;
  32 #if __STDC_VERSION__ < 199901L
  33   /* expected-warning@-2 {{mixing declarations and code is a C99 extension}}*/
  34 #else
  35   /* expected-warning@-4 {{mixing declarations and code is incompatible with standards before C99}}*/
  36 #endif
  37   return f;
  38 }