https://bugs.llvm.org/show_bug.cgi?id=45382
Bug ID: 45382
Summary: cannot initialize a variable of type [...] with an
lvalue of type 'const auto'
Product: clang
Version: 10.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: unassignedclangb...@nondot.org
Reporter: ignacy.gawed...@green-communications.fr
CC: blitzrak...@gmail.com, erik.pilking...@gmail.com,
llvm-bugs@lists.llvm.org, richard-l...@metafoo.co.uk
The following presumably valid C++14 code:
template <typename T>
struct Foo {
template <typename>
static constexpr auto v = 0;
static constexpr int w = v<T>;
};
template struct Foo<void>;
produces the following error:
error: cannot initialize a variable of type 'const int' with an lvalue of
type 'const auto'
static constexpr int w = v<T>;
^ ~~~~
Replacing 'auto' with 'decltype(0)' makes it compile.
Versions 8 and below work fine. Versions 9 and 10 produce the error. GCC
works fine too.
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