http://llvm.org/bugs/show_bug.cgi?id=22508
Bug ID: 22508
Summary: Tilde and decltype-specifier cause ICEs and parser
failings
Product: clang
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++14
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
If the id-expression following the tilde inside a class declaration is a valid
decltype-specifier the parser bails out completely:
struct A
{
~decltype(auto) void void void {
AnyNonsenseInhereIsValid BUAAAHAAHHHHH
void return nothing look-a-penny<<@Üü
}
};
Moreover, consider what happens if the same thing appears in another valid
context such as
A().~decltype(auto); // ICE, and A can be an empty struct
It seems the parser delegates to the semantic analyzer which fails in
clang::Sema::CheckPlaceholderExpr.
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