https://llvm.org/bugs/show_bug.cgi?id=26435
Bug ID: 26435
Summary: CWG 1388; Invalid deduction of non-trailing template
parameter pack
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: unassignedclangb...@nondot.org
Reporter: r...@gmx.net
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
template <typename... T, typename... U>
void f(T..., U...) {}
int main() {f();}
---
This shouldn't compile. Although U is deduced to the empty pack via
[temp.arg.explicit]/3, T isn't, because it isn't trailing. I.e. this code
should yield a deduction failure.
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