clang/test/C/drs/dr483.c

   1 /* RUN: %clang_cc1 -std=c89 -verify -pedantic -Wno-c11-extensions %s
   2    RUN: %clang_cc1 -std=c99 -verify -pedantic -Wno-c11-extensions %s
   3    RUN: %clang_cc1 -std=c11 -verify -pedantic %s
   4    RUN: %clang_cc1 -std=c17 -verify -pedantic %s
   5    RUN: %clang_cc1 -std=c2x -verify -pedantic %s
   6  */
   7
   8 /* expected-no-diagnostics */
   9
  10 /* WG14 DR483: yes
  11  * __LINE__ and __FILE__ in macro replacement list
  12  *
  13  * The crux of this DR is to ensure that __LINE__ (and __FILE__) use in a macro
  14  * replacement list report the line and file of the expansion of that macro,
  15  * not the line and file of the macro definition itself.
  16  */
  17 #line 500
  18 #define MAC() __LINE__
  19
  20 #line 1000
  21 _Static_assert(MAC() == 1000, "");
  22