[clang] [clang-format] Add BreakFunctionDefinitionParameters option (PR #84988)

[Björn Schäpers via cfe-commits]

================
@@ -7951,6 +7951,24 @@ TEST_F(FormatTest, AllowAllArgumentsOnNextLineDontAlign) {
                Input, Style);
 }
 
+TEST_F(FormatTest, BreakFunctionDefinitionParameters) {
+  FormatStyle Style = getLLVMStyleWithColumns(80);
----------------
HazardyKnusperkeks wrote:

```suggestion
  FormatStyle Style = getLLVMStyle();
  EXPECT_FALSE(Style.BreakFunctionDefinitionParameters);
```

https://github.com/llvm/llvm-project/pull/84988