[clang] [clang-format] Make some binary operations imply requires clause (PR #110942)

[Owen Pan via cfe-commits]

================
@@ -3528,6 +3528,17 @@ bool UnwrappedLineParser::parseRequires() {
         return false;
       }
       break;
+    case tok::equalequal:
+    case tok::greaterequal:
+    case tok::lessequal:
+    case tok::r_paren:
+    case tok::pipepipe:
+      if (OpenAngles == 0) {
+        FormatTok = Tokens->setPosition(StoredPosition);
+        parseRequiresClause(RequiresToken);
+        return true;
+      }
+      break;
----------------
owenca wrote:

What about `<` and `>`?
```
template <int n> struct S {
  void f() &
    requires(n < 1)
  {}

  // some comment
  void g() {}
};
```

https://github.com/llvm/llvm-project/pull/110942