23 lines · c
1// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-linux-gnu2 3// PR152164// Don't crash when taking computing the offset of structs with large arrays.5const unsigned long Size = (1l << 58);6 7struct Chunk1 {8 char padding[Size]; // expected-warning {{folded to constant}}9 char more_padding[1][Size]; // expected-warning {{folded to constant}}10 char data;11};12 13unsigned long test1 = __builtin_offsetof(struct Chunk1, data);14 15struct Chunk2 {16 char padding[Size][Size][Size]; // expected-error {{array is too large}}17 char data;18};19 20// FIXME: Remove this error when the constant evaluator learns to21// ignore bad types.22int test2 = __builtin_offsetof(struct Chunk2, data); // expected-error{{initializer element is not a compile-time constant}} 23