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-rw-r--r--clang/lib/Format/TokenAnnotator.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 49c30ca78deb..ca651eaa9440 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -3833,6 +3833,9 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
return true;
if (Style.isCpp()) {
+ // Space between UDL and dot: auto b = 4s .count();
+ if (Right.is(tok::period) && Left.is(tok::numeric_constant))
+ return true;
// Space between import <iostream>.
// or import .....;
if (Left.is(Keywords.kw_import) && Right.isOneOf(tok::less, tok::ellipsis))