gecko/xpcom/tests/static-checker/o10.cpp

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typedef int PRUint32;
typedef int PRInt32;
typedef PRUint32 nsresult;
typedef short PRUnichar;
class nsAString {
public:
void Read() const;
void Mutate();
};
nsresult bar();
nsresult foo(nsAString &s) {
nsresult rv = bar();
s.Read();
if (rv == 0) {
s.Mutate();
}
return rv;
}