clang-format reflow comments disable star: Fixes #58710

.clang-format

@@ -1,2 +1,5 @@
 BasedOnStyle: LLVM
 LineEnding: LF
+ColumnLimit: 80
+ReflowComments: true
+ReflowCommentsNoStar: true

clang/include/clang/Format/Format.h

@@ -4250,6 +4250,19 @@ struct FormatStyle {
   /// \version 3.8
   ReflowCommentsStyle ReflowComments;
 
+  /// If reflow comments is enabled, dont include * in the formatted block comment.
+    /// \code
+    ///    // veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of
+    ///    // information
+    ///    /* second veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of
+    ///     information */
+    ///    /* third veryVeryVeryVeryVeryVeryVeryVeryVeryVeryVeryLongComment with plenty of
+    ///     information and a misaligned second line */
+    /// \endcode
+
+  /// \version 22
+  bool ReflowCommentsNoStar;
+
   /// Remove optional braces of control statements (``if``, ``else``, ``for``,
   /// and ``while``) in C++ according to the LLVM coding style.
   /// \warning

clang/lib/Format/BreakableToken.cpp

@@ -506,6 +506,8 @@ BreakableBlockComment::BreakableBlockComment(
   }
 
   Decoration = "* ";
+  if (Style.ReflowCommentsNoStar)
+    Decoration = "";
   if (Lines.size() == 1 && !FirstInLine) {
     // Comments for which FirstInLine is false can start on arbitrary column,
     // and available horizontal space can be too small to align consecutive

clang/lib/Format/Format.cpp

@@ -1276,6 +1276,7 @@ template <> struct MappingTraits<FormatStyle> {
     IO.mapOptional("RawStringFormats", Style.RawStringFormats);
     IO.mapOptional("ReferenceAlignment", Style.ReferenceAlignment);
     IO.mapOptional("ReflowComments", Style.ReflowComments);
+    IO.mapOptional("ReflowCommentsNoStar", Style.ReflowCommentsNoStar);
     IO.mapOptional("RemoveBracesLLVM", Style.RemoveBracesLLVM);
     IO.mapOptional("RemoveEmptyLinesInUnwrappedLines",
                    Style.RemoveEmptyLinesInUnwrappedLines);

clang/test/Format/ReflowCommentsNoStar.cpp

@@ -0,0 +1,2 @@
+// RUN: clang-format -style="{ColumnLimit: 80, ReflowComments: true, ReflowCommentsNoStar: true}" %S/ReflowCommentsNoStarInput.cpp > %t
+// RUN: diff %t %S/ReflowCommentsNoStarExpected.cpp

clang/test/Format/ReflowCommentsNoStarExpected.cpp

@@ -0,0 +1,4 @@
+/* erfdfdfdfdfdfd fd fdfd fd fd fd fd fd fd fd fd fd fd fd fd fd fdf df df df df
+   df df df df df df df fd f */
+
+void func() {}

clang/test/Format/ReflowCommentsNoStarInput.cpp

@@ -0,0 +1,3 @@
+/* erfdfdfdfdfdfd fd fdfd fd fd fd fd fd fd fd fd fd fd fd fd fd fdf df df df df df df df df df df df fd f */
+
+void func() {}