[LLVMbugs] [Bug 10011] New: clang should warn on "string.empty()" when the return value is ignored

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10011

           Summary: clang should warn on "string.empty()" when the return
                    value is ignored
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nicolasweber at gmx.de
                CC: llvmbugs at cs.uiuc.edu, dgregor at apple.com


#include <string>
using namespace std;

void f(string& s) {
  s.empty();
}

Chances are the programmer meant |s.clear()| instead.

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