https://bugs.llvm.org/show_bug.cgi?id=38962
Bug ID: 38962
Summary: Clang doesn't allow constexpr values of user-defined
literal types to be used in lambdas without being
captured
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: heavenandhell...@gmail.com
CC: llvm-bugs@lists.llvm.org
Tests taken from: https://github.com/SephDB/constexpr-format#compiler-support
void testNativeLiteralType() {
//Compiles fine
constexpr int n = 0;
auto D = []{return n;};
constexpr auto x = D();
}
//Obviously literal type
struct A {
int a = 0;
};
void testNonNativeLiteralType() {
//Doesn't compile on clang
constexpr auto n = A{};
auto D = []{return n;};
constexpr auto x = D();
}
Clang: https://godbolt.org/z/ECxj4p
GCC: https://godbolt.org/z/aTiqrx
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