| /* { dg-do compile } */ |
| /* { dg-options "-std=gnu11 -Wc90-c99-compat -pedantic-errors" } */ |
| |
| _Bool b; /* { dg-warning "ISO C90 does not support boolean types" } */ |
| _Complex double c = __builtin_complex (0.0, 0.0); /* { dg-warning "ISO C90 does not support complex types" } */ |
| long long l; /* { dg-warning "ISO C90 does not support .long long." } */ |
| struct A { int i; char a[]; }; /* { dg-warning "ISO C90 does not support flexible array members" } */ |
| struct { long int b: 2; } s; /* { dg-warning "type of bit-field .b. is a GCC extension" } */ |
| const const int i; /* { dg-warning "duplicate .const." } */ |
| volatile volatile int v; /* { dg-warning "duplicate .volatile." } */ |
| |
| struct S { int a[2]; }; |
| extern struct S foo (void); |
| |
| #define V(v, ...) (v, __VA_ARGS) /* { dg-warning "anonymous variadic macros were introduced in C99" } */ |
| |
| enum { E, }; /* { dg-warning "comma at end of enumerator list" } */ |
| |
| void fn1 (char [*]); /* { dg-warning "ISO C90 does not support .\\\[\\\*\\\]. array declarators" } */ |
| |
| void |
| fn2 (char x[static 4]) /* { dg-warning "ISO C90 does not support .static. or type qualifiers" } */ |
| { |
| int i = (int) { 1 }; /* { dg-warning "ISO C90 forbids compound literals" } */ |
| struct A a = { .i = 3 }; /* { dg-warning "ISO C90 forbids specifying subobject to initialize" } */ |
| } |
| |
| void |
| fn3 (int n) |
| { |
| n = 3; |
| int i; /* { dg-warning "ISO C90 forbids mixed declarations and code" } */ |
| } |
| |
| void |
| fn4 (int n) |
| { |
| n = 3; |
| __extension__ int i; /* { dg-warning "ISO C90 forbids mixed declarations and code" } */ |
| } |
| |
| void |
| fn5 (void) |
| { |
| (foo ()).a[0]; /* { dg-warning "ISO C90 forbids subscripting non-lvalue array" } */ |
| } |
| |
| #define F(a) a |
| |
| void |
| fn6 (void) |
| { |
| F(); /* { dg-warning "invoking macro F argument" } */ |
| } |
| |
| void fn7 (int n, int a[n]); /* { dg-warning "ISO C90 forbids variable length array .a." } */ |