File: using-declspec.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (20 lines) | stat: -rw-r--r-- 786 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// RUN: %clang_cc1 -fms-compatibility -fsyntax-only -verify %s

// This should ignore the alignment and issue a warning about
// align not being used
auto func() -> __declspec(align(16)) int; // expected-warning{{attribute ignored when parsing type}}
static_assert(alignof(decltype(func())) == alignof(int), "error");

// The following should NOT assert since alignment should
// follow the type
struct Test { int a; };
using AlignedTest = __declspec(align(16)) const Test;
static_assert(alignof(AlignedTest) == 16, "error");

// Same here, no declaration to shift to
int i = (__declspec(align(16))int)12; // expected-warning{{attribute ignored when parsing type}}

// But there is a declaration here!
typedef __declspec(align(16)) int Foo;
static_assert(alignof(Foo) == 16, "error");