https://llvm.org/bugs/show_bug.cgi?id=23029
Bug ID: 23029
Summary: Diagnostic issued for function parameter pack
following a default argument
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Ubuntu clang version 3.7.0-svn229234-1~exp1 and in earlier versions.
Clang issues a diagnostic (missing default argument on parameter) for the
following (well formed) code: http://goo.gl/aIoi1f
template <typename... Ts>
void f(int = 0, Ts...) {}
int main() {
f(42);
}
8.3.6/4: In a given function declaration, each parameter subsequent to a
parameter with a default argument shall have a default argument supplied in
this or a previous declaration or shall be a function parameter pack.
>From http://stackoverflow.com/q/29098835/1639256
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