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      1 // RUN: %clang_cc1 %s -emit-llvm     -o -
      2 // RUN: %clang_cc1 %s -emit-llvm -O1 -o -
      3 // rdar://6518089
      4 
      5 static int bar();
      6 void foo() {
      7   int a = bar();
      8 }
      9 int bar(unsigned a) {
     10 }
     11