File: non-trivial-c-union.m

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (24 lines) | stat: -rw-r--r-- 1,143 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -emit-pch -o %t.pch %s
// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -include-pch %t.pch -verify %s

#ifndef HEADER
#define HEADER

typedef union {
  id f0;
} U0;

#else

// expected-note@-6 {{'U0' has subobjects that are non-trivial to destruct}}
// expected-note@-7 {{'U0' has subobjects that are non-trivial to copy}}
// expected-note@-8 {{'U0' has subobjects that are non-trivial to default-initialize}}
// expected-note@-8 {{f0 has type '__strong id' that is non-trivial to destruct}}
// expected-note@-9 {{f0 has type '__strong id' that is non-trivial to copy}}
// expected-note@-10 {{f0 has type '__strong id' that is non-trivial to default-initialize}}

U0 foo0(void); // expected-error {{cannot use type 'U0' for function/method return since it is a union that is non-trivial to destruct}} expected-error {{cannot use type 'U0' for function/method return since it is a union that is non-trivial to copy}}

U0 g0; // expected-error {{cannot default-initialize an object of type 'U0' since it is a union that is non-trivial to default-initialize}}

#endif