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      1 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s | FileCheck %s
      2 
      3 int x() { return 1; }
      4 
      5 // CHECK:  ret i32 1
      6 
      7 
      8 int f() __attribute__((weak, alias("x")));
      9 
     10 /* Test that we link to the alias correctly instead of making a new
     11    forward definition. */
     12 int f();
     13 int h() {
     14   return f();
     15 }
     16 
     17 // CHECK:  [[call:%.*]] = call i32 (...)* @f()
     18 // CHECK:  ret i32 [[call]]
     19 
     20