https://llvm.org/bugs/show_bug.cgi?id=24547
Bug ID: 24547
Summary: Crash while parsing of invalid template specialization
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: ismail.pazarb...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Classification: Unclassified
// partialspeccrash.cpp
template<typename T>
struct X {
template<typename U>
T *f(U);
};
template<typename T>
template<typename U>
T *X<T>::f<u>(U) {
return nullptr;
}
% clang++ -fsyntax-only -std=c++11 partialspeccrash.cpp
./projects/llvm-tests/partialspeccrash.cpp:11:12: error: use of undeclared
identifier 'u'
T *X<T>::f<u>(U u) {
^
./projects/llvm-tests/partialspeccrash.cpp:11:17: error: expected ')'
T *X<T>::f<u>(U u) {
^
./projects/clang-crasher.cpp:11:14: note: to match this '('
T *X<T>::f<u>(U u) {
^
Assertion failed: (!EnteredScope && "Already entered the scope!"), function
EnterDeclaratorScope, file
/Users/ismailp/Projects/llvm-trunk/llvm/tools/clang/include/clang/Parse/Parser.h,
line 2254.
... [backtrace]
Seems like to be similar to bugs 19340 and 21310, but backtrace is different.
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