clang/test/SemaCXX/cxx03-aligned-allocation-unscoped-enum.cpp

   1 // RUN: %clang_cc1 -std=c++03 -triple x86_64-pc-linux-gnu %s \
   2 // RUN:   -faligned-allocation -emit-llvm -o - -Wno-c++11-extensions | FileCheck %s
   3
   4 // Ensure Clang doesn't confuse std::align_val_t with the sized deallocation
   5 // parameter when the enum type is unscoped. Libc++ does this in C++03 in order
   6 // to support aligned allocation in that dialect.
   7
   8 using size_t = __decltype(sizeof(0));
   9
  10 namespace std {
  11 enum align_val_t : size_t {};
  12 }
  13 _Static_assert(__is_same(__underlying_type(std::align_val_t), size_t), "");
  14
  15 // CHECK-LABEL: define{{.*}} void @_Z1fPi(
  16 void f(int *p) {
  17   // CHECK-NOT: call void @_ZdlPvSt11align_val_t(
  18   // CHECK: call void @_ZdlPv(
  19   // CHECK: ret void
  20   delete p;
  21 }