[llvm-bugs] [Bug 52125] New: Failure to optimize out store to destroyed variable

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=52125

            Bug ID: 52125
           Summary: Failure to optimize out store to destroyed variable
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: gabravier at gmail.com
                CC: llvm-bugs at lists.llvm.org

struct X {
  int i;
};

void f(X *x) {
  x->i = 0;
  x->~X();
}

This can be optimized to doing nothing. This optimization is done by GCC, but
not by LLVM.

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