clang-format: Fix indenting corner case with comment and else.

Before:
  if (a) {
    f();
  }
      // or else ..
      else {
    g();
  }

After:
  if (a) {
    f();
  }
  // or else ..
  else {
    g();
  }

llvm-svn: 193684

clang/lib/Format/ContinuationIndenter.cpp

@@ -391,7 +391,8 @@ unsigned ContinuationIndenter::addTokenOnNewLine(LineState &State,
     State.Column = State.Stack.back().Indent;
     // Ensure that we fall back to the continuation indent width instead of just
     // flushing continuations left.
-    if (State.Column == State.FirstIndent)
+    if (State.Column == State.FirstIndent &&
+        PreviousNonComment->isNot(tok::r_brace))
       State.Column += Style.ContinuationIndentWidth;
   }
 

clang/unittests/Format/FormatTest.cpp

@@ -374,6 +374,13 @@ TEST_F(FormatTest, ElseIf) {
                "  g();\n"
                "else\n"
                "  h();");
+  verifyFormat("if (a) {\n"
+               "  f();\n"
+               "}\n"
+               "// or else ..\n"
+               "else {\n"
+               "  g()\n"
+               "}");
 }
 
 TEST_F(FormatTest, FormatsForLoop) {