clang-format: Make AlignAfterOpenBracket also affect angle brackets.

Patch by Matthew Whitehead, thank you.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@259487 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Format/ContinuationIndenter.cpp

@@ -353,7 +353,8 @@ void ContinuationIndenter::addTokenOnCurrentLine(LineState &State, bool DryRun,
   // disallowing any further line breaks if there is no line break after the
   // opening parenthesis. Don't break if it doesn't conserve columns.
   if (Style.AlignAfterOpenBracket == FormatStyle::BAS_AlwaysBreak &&
-      Previous.is(tok::l_paren) && State.Column > getNewLineColumn(State) &&
+      Previous.isOneOf(tok::l_paren, TT_TemplateOpener, tok::l_square) &&
+      State.Column > getNewLineColumn(State) &&
       (!Previous.Previous ||
        !Previous.Previous->isOneOf(tok::kw_for, tok::kw_while, tok::kw_switch)))
     State.Stack.back().NoLineBreak = true;

unittests/Format/FormatTest.cpp

@@ -10325,6 +10325,15 @@ TEST_F(FormatTest, ConstructorInitializerIndentWidth) {
       ": aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
       "  aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
       Style);
+  Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
+  verifyFormat(
+      "SomeLongTemplateVariableName<\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>",
+      Style);
+  verifyFormat(
+      "bool smaller = 1 < bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n"
+      "                       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
+      Style);
 }
 
 TEST_F(FormatTest, BreakConstructorInitializersBeforeComma) {