Add asserts to guard against regressions.

llvm-svn: 182916

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/Format/BreakableToken.cpp b/clang/lib/Format/BreakableToken.cpp
index 10ba1f39a55..01317dbef3d 100644
--- a/clang/lib/Format/BreakableToken.cpp
+++ b/clang/lib/Format/BreakableToken.cpp
@@ -316,6 +316,7 @@ void BreakableBlockComment::insertBreak(unsigned LineIndex, unsigned TailOffset,
   unsigned BreakOffsetInToken =
       Text.data() - Tok.TokenText.data() + Split.first;
   unsigned CharsToRemove = Split.second;
+  assert(IndentAtLineBreak >= Decoration.size());
   Whitespaces.breakToken(Tok, BreakOffsetInToken, CharsToRemove, "", Prefix,
                          InPPDirective, IndentAtLineBreak - Decoration.size());
 }
@@ -347,6 +348,7 @@ BreakableBlockComment::replaceWhitespaceBefore(unsigned LineIndex,
   unsigned WhitespaceOffsetInToken =
       Lines[LineIndex].data() - Tok.TokenText.data() -
       LeadingWhitespace[LineIndex];
+  assert(StartOfLineColumn[LineIndex] >= Prefix.size());
   Whitespaces.breakToken(
       Tok, WhitespaceOffsetInToken, LeadingWhitespace[LineIndex], "", Prefix,
       InPPDirective, StartOfLineColumn[LineIndex] - Prefix.size());