[clang] [Format] Fix isStartOfName to recognize attributes (PR #76804)

[Björn Schäpers via cfe-commits]

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@@ -10093,11 +10090,11 @@ TEST_F(FormatTest, ReturnTypeBreakingStyle) {
                getGoogleStyleWithColumns(40));
   verifyFormat("Tttttttttttttttttttttttt ppppppppppppppp\n"
                "    ABSL_GUARDED_BY(mutex1)\n"
-               "    ABSL_GUARDED_BY(mutex2);",
+               "        ABSL_GUARDED_BY(mutex2);",
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HazardyKnusperkeks wrote:

This looks wrong.

https://github.com/llvm/llvm-project/pull/76804