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      1 // RUN: %clang_cc1 -w -fblocks -triple i386-apple-darwin9 -emit-llvm -o %t %s
      2 // RUN: FileCheck < %t %s
      3 
      4 // CHECK-LABEL: define void @f0(%struct.s0* byval align 4)
      5 // CHECK:   call void @llvm.memcpy.p0i8.p0i8.i32(i8* %{{.*}}, i8* %{{.*}}, i32 16, i32 4, i1 false)
      6 // CHECK: }
      7 struct s0 { long double a; };
      8 void f0(struct s0 a0) {
      9   extern long double f0_g0;
     10   f0_g0 = a0.a;
     11 }
     12