Remove errors were if statements were incorrectly put on a single line.

Before: if (a)  // This comment confused clang-format f();
After:  if (a)  // No more confusion
          f();

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172600 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Format/Format.cpp b/lib/Format/Format.cpp
index 445a4064b4..9477f5e014 100644
--- a/lib/Format/Format.cpp
+++ b/lib/Format/Format.cpp
@@ -1480,6 +1480,11 @@ private:
     unsigned Length = 0;
     if (!fitsIntoLimit(I->First, Limit, &Length))
       return false;
+
+    // We can never merge stuff if there are trailing line comments.
+    if (I->Last->Type == TT_LineComment)
+      return true;
+
     if (Limit == Length)
       return true; // Couldn't fit a space.
     Limit -= Length + 1; // One space.
@@ -1516,6 +1521,8 @@ private:
     if (!Style.AllowShortIfStatementsOnASingleLine)
       return;
     AnnotatedLine &Line = *I;
+    if (Line.Last->isNot(tok::r_paren))
+      return;
     if (!fitsIntoLimit((I + 1)->First, Limit))
       return;
     if ((I + 1)->First.is(tok::kw_if) || (I + 1)->First.Type == TT_LineComment)