[clang] [clang-format] Fix greatergreater (PR #122282)

[via cfe-commits]

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@@ -28188,6 +28188,16 @@ TEST_F(FormatTest, BreakBinaryOperations) {
                "                  | byte_buffer[2] << 16\n"
                "                  | byte_buffer[3] << 24;",
                Style);
+
+  Style.BreakBinaryOperations = FormatStyle::BBO_OnePerLine;
+  // Check operator >> special case
+  verifyFormat("std::cout\n"
+               "    << longOperand1\n"
+               "    << longOperand2\n"
+               "    << longOperand3\n"
+               "    << longOperand4\n"
+               "    << longOperand5;",
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andergnet wrote:

About your test: `std::cout << longOperand_1 << longOperand_2 << longOperand_3;` 

I didn't change that behavior, I guess it has something to do with penalties, once it gets big enough it does split correctly.

https://github.com/llvm/llvm-project/pull/122282