llvm-project/clang/test/Sema/excess-embed-data.c
Mariya Podchishchaeva 59169036ca
[clang] Fix crash when #embed data does not fit into an array (#129567)
Tune SemaInit code handling #embed to take into account how many array
elements remains to initialize.
Also issue a warning/error message when the array/struct is at the end
but there is still #embed data left.

Fixes https://github.com/llvm/llvm-project/issues/128987
2025-03-05 11:04:52 +01:00

51 lines
1.1 KiB
C

// RUN: %clang_cc1 -std=c23 -fsyntax-only -verify=c %s
// RUN: %clang_cc1 -fsyntax-only -verify=cpp -x c++ -Wno-c23-extensions %s
struct S {
int arr[3];
};
struct S1 {
struct S s;
};
void cases(int x) {
int a[8] = {x, x, x, x, x, x,
#embed __FILE__
// c-warning@-1{{excess elements in array initializer}}
// cpp-error@-2{{excess elements in array initializer}}
};
int b[8] = {
#embed __FILE__
// c-warning@-1{{excess elements in array initializer}}
// cpp-error@-2{{excess elements in array initializer}}
};
int c[3000] = {x, x, x, x, x, x,
#embed __FILE__
};
char d[3] = {
#embed __FILE__
// c-warning@-1{{initializer-string for char array is too long}}
// cpp-error@-2{{initializer-string for char array is too long}}
};
char e[3000] = { 1,
#embed __FILE__
};
struct S s = {
#embed __FILE__
// c-warning@-1{{excess elements in struct initializer}}
// cpp-error@-2{{excess elements in struct initializer}}
, x
};
struct S1 s1 = {
#embed __FILE__
// c-warning@-1{{excess elements in struct initializer}}
// cpp-error@-2{{excess elements in struct initializer}}
, x
};
}