clang-format: Don't wrap before the ] of a lambda introducer.

Before:
  return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa([=
  ](int iiiiiiiiiiii) {
    return aaaaaaaaaaaaaaaaaaaaaaa != aaaaaaaaaaaaaaaaaaaaaaa;
  });

After:
  return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa([=](
      int iiiiiiiiiiii) {
    return aaaaaaaaaaaaaaaaaaaaaaa != aaaaaaaaaaaaaaaaaaaaaaa;
  });

llvm-svn: 241583

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index f4b9c4eee9e..a3691570cdc 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2206,6 +2206,9 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
 
   if (Right.is(tok::r_paren) || Right.is(TT_TemplateCloser))
     return false;
+  if (Right.is(tok::r_square) && Right.MatchingParen &&
+      Right.MatchingParen->is(TT_LambdaLSquare))
+    return false;
 
   // We only break before r_brace if there was a corresponding break before
   // the l_brace, which is tracked by BreakBeforeClosingBrace.