http://llvm.org/bugs/show_bug.cgi?id=13987
Bug #: 13987
Summary: A crash on (late parsed) lambda body with local class.
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++11
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
The following code shows a crash in (debug mode) clang++:
$ cat crash.cc
class Class {
void Method(char c = []()->char {
int d = []()->int {
struct LateParsedClass {
int LateParsedMethod() { return 0; }
};
return 0;
}();
return d;
}());
};
$ clang++ -fsyntax-only -std=c++11 crash.cc
clang: SemaDecl.cpp:913: void clang::Sema::PushDeclContext(clang::Scope*,
clang::DeclContext*): Assertion `getContainingDC(DC) == CurContext && "The next
DeclContext should be lexically contained in the current one."' failed.
It seems that, when parsing (LateParsedMethod inside) LateParsedClass, the
value of Sema.CurContext is still that of the outer class Class, while the
(lexical) DC of LateParsedClass is that of the inner lambda operator() method,
hence the assertion failure.
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