/* PR18191 Struct member is not getting default-initialized. Origin: Grigory Zagorodnev */ /* { dg-do run } */ extern int printf (__const char *__restrict __format, ...); typedef struct S { const char* s; int i; } S; void foo (void) { S dummy[2]; unsigned i; /* Put some garbage on the stack. */ for (i = 0; i < sizeof(dummy); i++) ((char *)&dummy)[i] = -1; } int bar (void) { /* Allocate object on the stack. */ S obj[2] = { {"m0"}, {"m1"} }; /* Assume fields those not explicitly initialized are default initialized to 0 [8.5.1/7 and 8.5/5]. */ if (obj[0].i == 0) return 0; else { printf("Failed: obj[0].i == '%d', expecting '0'\n", obj[0].i); return 1; } } int main (void) { foo(); return bar(); }