[clang] [clang-format] Fix anonymous reference parameter with default value (PR #86254)

[Björn Schäpers via cfe-commits]

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@@ -19056,6 +19056,9 @@ TEST_F(FormatTest, AlignConsecutiveDeclarations) {
   verifyFormat("int    a(int x);\n"
                "double b();",
                Alignment);
+  verifyFormat("int    a(const Test & = Test());\n"
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HazardyKnusperkeks wrote:

I wanted to see a version where the arguments are aligned, you need a break in the argument list. Either by providing more arguments, or (preferred) by using a reduced `ColumnLimit` for that test.

https://github.com/llvm/llvm-project/pull/86254