view gcc/testsuite/g++.dg/cpp2a/inline-asm2.C @ 158:494b0b89df80 default tip

...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
line wrap: on
line source

// P1668R1: Permit unevaluated inline asm in constexpr functions
// PR c++/91346
// { dg-do compile { target c++2a } }

constexpr int
foo (bool b)
{
  if (b)
    return 42;
  asm (""); // { dg-error "inline assembly is not a constant expression" }
// { dg-message "only unevaluated inline assembly" "" { target *-*-* } .-1 }
  return -1;
}

constexpr int i = foo (true);
static_assert(i == 42, "");
constexpr int j = foo (false); // { dg-message "in .constexpr. expansion of" }