Add a quote from the standard about the type of 'this'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58124 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index a62ebad365..0d0b746ad6 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -61,6 +61,12 @@ CXXMethodDecl::Create(ASTContext &C, CXXRecordDecl *RD,
 }
 
 QualType CXXMethodDecl::getThisType(ASTContext &C) const {
+  // C++ 9.3.2p1: The type of this in a member function of a class X is X*.
+  // If the member function is declared const, the type of this is const X*,
+  // if the member function is declared volatile, the type of this is
+  // volatile X*, and if the member function is declared const volatile,
+  // the type of this is const volatile X*.
+
   assert(isInstance() && "No 'this' for static methods!");
   QualType ClassTy = C.getTagDeclType(const_cast<CXXRecordDecl*>(
                                             cast<CXXRecordDecl>(getParent())));