File: offsetof-64.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (22 lines) | stat: -rw-r--r-- 747 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
// RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-linux-gnu

// PR15216
// Don't crash when taking computing the offset of structs with large arrays.
const unsigned long Size = (1l << 60);

struct Chunk1 {
  char padding[Size]; // expected-warning {{folded to constant}}
  char more_padding[1][Size]; // expected-warning {{folded to constant}}
  char data;
};

int test1 = __builtin_offsetof(struct Chunk1, data);

struct Chunk2 {
  char padding[Size][Size][Size];  // expected-error {{array is too large}}
  char data;
};

// FIXME: Remove this error when the constant evaluator learns to
// ignore bad types.
int test2 = __builtin_offsetof(struct Chunk2, data);  // expected-error{{initializer element is not a compile-time constant}}