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      1 // RUN: %clang_cc1 -fsanitize=local-bounds -emit-llvm -triple x86_64-apple-darwin10 %s -o - | FileCheck %s
      2 // RUN: %clang_cc1 -fsanitize=array-bounds -O -fsanitize-trap=array-bounds -emit-llvm -triple x86_64-apple-darwin10 -DNO_DYNAMIC %s -o - | FileCheck %s
      3 
      4 // CHECK-LABEL: @f
      5 double f(int b, int i) {
      6   double a[b];
      7   // CHECK: call {{.*}} @llvm.trap
      8   return a[i];
      9 }
     10 
     11 // CHECK-LABEL: @f2
     12 void f2() {
     13   // everything is constant; no trap possible
     14   // CHECK-NOT: call {{.*}} @llvm.trap
     15   int a[2];
     16   a[1] = 42;
     17 
     18 #ifndef NO_DYNAMIC
     19   short *b = malloc(64);
     20   b[5] = *a + a[1] + 2;
     21 #endif
     22 }
     23 
     24 // CHECK-LABEL: @f3
     25 void f3() {
     26   int a[1];
     27   // CHECK: call {{.*}} @llvm.trap
     28   a[2] = 1;
     29 }
     30