A DESCRIPTION OF THE REQUEST :
Consider the example code.  StringBuilder is not going to escape.  A String is going to be created at the end.  We can eliminate a memory allocation and buffer copy by simply having the String object reference the char[] in StringBuilder.  Since the StringBuilder can't be used any more, the optimized code can simply have String reference the char[] in StringBuilder.

JUSTIFICATION :
Consider the example code.  StringBuilder is not going to escape.  A String is going to be created at the end.  We can eliminate a memory allocation and buffer copy by simply having the String object reference the char[] in StringBuilder.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The char[] referenced in StringBuilder be passed to String.
ACTUAL -
A separate char[] is created for String and populated with the contents of StringBuilder's char[].

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StringBuilder result;

result = new StringBuilder();

result.append("hello");
...

return(result.toString());
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