http://llvm.org/bugs/show_bug.cgi?id=20962
Bug ID: 20962
Summary: crash on bad default argument
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This causes clang to crash:
template<typename T> struct S { void f(int k = g(k)()); };
void x() { S<int>().f(); }
The interesting part of the backtrace:
7 clang-3.5 0x0000000003645f04
clang::Sema::CheckImplicitConversions(clang::Expr*, clang::SourceLocation) +
132
8 clang-3.5 0x0000000003646812
clang::Sema::CheckCompletedExpr(clang::Expr*, clang::SourceLocation, bool) + 66
9 clang-3.5 0x000000000382b215
clang::Sema::BuildCXXDefaultArgExpr(clang::SourceLocation,
clang::FunctionDecl*, clang::ParmVarDecl*) + 1253
We're presumably calling CheckCompletedExpr on a null expression.
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