Fix a couple of cases of (innocuous) unmarked fallthrough. At least one of these
was unintentional. Found by -Wimplicit-fallthrough, patch by Alexander Kornienko!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156082 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/AST/RecursiveASTVisitor.h b/include/clang/AST/RecursiveASTVisitor.h
index 8a6e85f..a9a98d7 100644
--- a/include/clang/AST/RecursiveASTVisitor.h
+++ b/include/clang/AST/RecursiveASTVisitor.h
@@ -1400,6 +1400,7 @@
     case TSK_Undeclared:
     case TSK_ImplicitInstantiation:
       TRY_TO(TraverseDecl(SD));
+      break;
 
     // We don't need to do anything on an explicit instantiation
     // or explicit specialization because there will be an explicit
diff --git a/include/clang/Analysis/Analyses/FormatString.h b/include/clang/Analysis/Analyses/FormatString.h
index 9ec27ce..f99b97a 100644
--- a/include/clang/Analysis/Analyses/FormatString.h
+++ b/include/clang/Analysis/Analyses/FormatString.h
@@ -175,6 +175,7 @@
     switch (kind) {
       case PrintErrno:
         assert(IsPrintf);
+        return false;
       case PercentArg:
         return false;
       default: