File: cxx03-aligned-allocation-unscoped-enum.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; 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: 2,538; xml: 953; cs: 573; fortran: 567
file content (21 lines) | stat: -rw-r--r-- 696 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// RUN: %clang_cc1 -std=c++03 -triple x86_64-pc-linux-gnu %s \
// RUN:   -faligned-allocation -emit-llvm -o - -Wno-c++11-extensions | FileCheck %s

// Ensure Clang doesn't confuse std::align_val_t with the sized deallocation
// parameter when the enum type is unscoped. Libc++ does this in C++03 in order
// to support aligned allocation in that dialect.

using size_t = __decltype(sizeof(0));

namespace std {
enum align_val_t : size_t {};
}
_Static_assert(__is_same(__underlying_type(std::align_val_t), size_t), "");

// CHECK-LABEL: define{{.*}} void @_Z1fPi(
void f(int *p) {
  // CHECK-NOT: call void @_ZdlPvSt11align_val_t(
  // CHECK: call void @_ZdlPv(
  // CHECK: ret void
  delete p;
}