https://bugs.llvm.org/show_bug.cgi?id=38673
Bug ID: 38673
Summary: C++ constexpr inheriting constructor
Product: clang
Version: 6.0
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: ankur.de...@tuta.io
CC: llvm-bugs@lists.llvm.org
The code below fails to compile in Clang 6.0.1, the following Stack Overflow
answer https://stackoverflow.com/a/51854172/9363849 suggests that it might not
be the intended behavior.
// A struct named Foo.
struct Foo
{
// Data member of type 'int'.
int val;
// Default constructor (constexpr).
constexpr Foo() noexcept : val(0) {}
};
// A struct named Bar.
struct Bar : Foo
{
// Make use of the constructors declared in Foo.
using Foo::Foo;
// A constructor taking an object of type Foo.
// COMMENTING THIS CONSTRUCTOR SOLVE THE COMPILATION ISSUE.
constexpr Bar(Foo const obj) noexcept : Foo(obj) {}
};
// A struct named Test.
struct Test
{
// Data member of type 'Bar'.
Bar bar;
// A defaulted default constructor.
constexpr Test() noexcept = default;
};
// Main function.
int main() { return 0; }
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