gcc/testsuite/gcc.dg/c99-flex-array-7.c

   1 /* Initialization of a flexible array member with a string constant
   2    must be diagnosed.  PR 37481.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
   5
   6 struct s { int a; char b[]; };
   7
   8 struct s a = { 0, "" }; /* { dg-error "initialization of a flexible array member" } */
   9 /* { dg-message "near init" "near init" { target *-*-* } .-1 } */
  10 struct s b = { 0, { 0 } }; /* { dg-error "initialization of a flexible array member" } */
  11 /* { dg-message "near init" "near init" { target *-*-* } .-1 } */
  12 struct s c = { 0, { } }; /* { dg-error "ISO C forbids empty initializer braces" } */
  13 struct s d = { .b = "" }; /* { dg-error "initialization of a flexible array member" } */
  14 /* { dg-message "near init" "near init" { target *-*-* } .-1 } */
  15 struct s e = { .b = { 0 } }; /* { dg-error "initialization of a flexible array member" } */
  16 /* { dg-message "near init" "near init" { target *-*-* } .-1 } */
  17 struct s f = { .b = { } }; /* { dg-error "ISO C forbids empty initializer braces" } */