https://llvm.org/bugs/show_bug.cgi?id=31211
Bug ID: 31211
Summary: Access to static data member array initialized with
template parameter is not a constant expression
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
template <char C>
struct A {
static constexpr char arr[] = {C};
static constexpr auto c = *arr;
};
int main() {constexpr auto x = A<' '>::c;}
---
Fails, while it obviously shouldn't--the l-t-r conversion is fine as per
[expr.const]/(2.7.3), since we access a subobject of an object declared with
constexpr.
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