[clang] [clang-format] Stop treating the new expression as a lambda (PR #223266)

[via cfe-commits]

================
@@ -3343,28 +3344,62 @@ void UnwrappedLineParser::parseNew() {
 
       nextToken();
     } while (!eof());
-  }
+  } else if (Style.isJava()) {
+    // In Java, we can parse everything up to the parens, which aren't optional.
+    do {
+      // There should not be a ;, { or } before the new's open paren.
+      if (FormatTok->isOneOf(tok::semi, tok::l_brace, tok::r_brace))
+        return;
 
-  if (!Style.isJava())
-    return;
+      // Consume the parens.
+      if (FormatTok->is(tok::l_paren)) {
+        parseParens();
 
-  // In Java, we can parse everything up to the parens, which aren't optional.
-  do {
-    // There should not be a ;, { or } before the new's open paren.
-    if (FormatTok->isOneOf(tok::semi, tok::l_brace, tok::r_brace))
+        // If there is a class body of an anonymous class, consume that as
+        // child.
+        if (FormatTok->is(tok::l_brace))
+          parseChildBlock();
+        return;
+      }
+      nextToken();
+    } while (!eof());
+  } else if (Style.isCpp()) {
+    // The brace should not appear here in a new expression. It likely means
+    // that the line is incomplete or that new is not a keyword such as in
+    // Objective-C.
+    if (FormatTok->is(tok::l_brace))
       return;
-
-    // Consume the parens.
+    if (FormatTok->is(tok::l_paren))
----------------
sstwcw wrote:

I was thinking about code like this.  Should the space be there?

```C++
#include <new>
void x() {
  new (std::align_val_t(1)) (int);
  new (std::align_val_t(1))(int);
}
```

https://github.com/llvm/llvm-project/pull/223266