http://llvm.org/bugs/show_bug.cgi?id=13811
Bug #: 13811
Summary: substitution of expandable function parameter packs
while not performing expansion results in assertion
failure
Product: clang
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++11
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This causes Clang to assert:
template<typename...T> struct S {
template<typename...U> auto f(T ...ts) -> decltype(f(ts + U()...));
};
template struct S<int, int>;
We have no way to represent the expanded function parameter pack which is
produced by substituting 'ts' without expanding the pack, and presumably need
the function parameter pack analogue of SubstNonTypeTemplateParmPackExpr.
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