https://bugs.llvm.org/show_bug.cgi?id=38089
Bug ID: 38089
Summary: Crash on templates and using declaration, expected
TemplateDecl, found UnresolvedUsingValueDecl
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: rtr...@google.com
CC: llvm-bugs@lists.llvm.org
test.cpp:
template <typename T>
struct C {
template<typename U>
void Get() {}
};
template <typename T>
class A {
using C<T>::Get;
void Run() { Get<int>(); }
};
Compiler invocation:
clang test.cpp:
clang/lib/Sema/SemaDecl.cpp
1064 TemplateDecl *TD
1065 = cast<TemplateDecl>((*Result.begin())->getUnderlyingDecl());
1066 IsFunctionTemplate = isa<FunctionTemplateDecl>(TD);
1067 IsVarTemplate = isa<VarTemplateDecl>(TD);
On line 1065, the underlying Decl was expected to be a TemplateDecl. With the
code provided above, the actual Decl returned was a UnresolvedUsingValueDecl,
leading to an assertion failure inside the cast call.
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