Implement support for dependent Microsoft __if_exists/__if_not_exists
statements. As noted in the documentation for the AST node, the
semantics of __if_exists/__if_not_exists are somewhat different from
the way Visual C++ implements them, because our parsed-template
representation can't accommodate VC++ semantics without serious
contortions. Hopefully this implementation is "good enough".


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtProfile.cpp b/lib/AST/StmtProfile.cpp
index 214378a..93b2f65 100644
--- a/lib/AST/StmtProfile.cpp
+++ b/lib/AST/StmtProfile.cpp
@@ -182,6 +182,13 @@
   VisitStmt(S);
 }
 
+void StmtProfiler::VisitMSDependentExistsStmt(const MSDependentExistsStmt *S) {
+  VisitStmt(S);
+  ID.AddBoolean(S->isIfExists());
+  VisitNestedNameSpecifier(S->getQualifierLoc().getNestedNameSpecifier());
+  VisitName(S->getNameInfo().getName());
+}
+
 void StmtProfiler::VisitSEHTryStmt(const SEHTryStmt *S) {
   VisitStmt(S);
 }