Fix a crash mangling decayed val argument-typed function.
// rdar: //8620510 and PR7666
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118019 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index e47d9cb..37ecf28 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -1324,7 +1324,9 @@
}
void CXXNameMangler::mangleType(const VariableArrayType *T) {
Out << 'A';
- mangleExpression(T->getSizeExpr());
+ // decayed vla types (size 0) will just be skipped.
+ if (T->getSizeExpr())
+ mangleExpression(T->getSizeExpr());
Out << '_';
mangleType(T->getElementType());
}