1 files changed, 51 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/large_func_test.cc b/lib/asan/lit_tests/TestCases/large_func_test.cc
new file mode 100644
index 000000000000..0534bcd31142
--- /dev/null
+++ b/lib/asan/lit_tests/TestCases/large_func_test.cc
@@ -0,0 +1,51 @@
+// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
+
+#include <stdlib.h>
+__attribute__((noinline))
+static void LargeFunction(int *x, int zero) {
+  x[0]++;
+  x[1]++;
+  x[2]++;
+  x[3]++;
+  x[4]++;
+  x[5]++;
+  x[6]++;
+  x[7]++;
+  x[8]++;
+  x[9]++;
+
+  // CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
+  // CHECK:   {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
+  // CHECK: {{READ of size 4 at 0x.* thread T0}}
+  x[zero + 103]++;  // we should report this exact line
+  // atos incorrectly extracts the symbol name for the static functions on
+  // Darwin.
+  // CHECK-Linux:  {{#0 0x.* in LargeFunction.*large_func_test.cc:}}[[@LINE-3]]
+  // CHECK-Darwin: {{#0 0x.* in .*LargeFunction.*large_func_test.cc}}:[[@LINE-4]]
+
+  x[10]++;
+  x[11]++;
+  x[12]++;
+  x[13]++;
+  x[14]++;
+  x[15]++;
+  x[16]++;
+  x[17]++;
+  x[18]++;
+  x[19]++;
+}
+
+int main(int argc, char **argv) {
+  int *x = new int[100];
+  LargeFunction(x, argc - 1);
+  // CHECK: {{    #1 0x.* in main .*large_func_test.cc:}}[[@LINE-1]]
+  // CHECK: {{0x.* is located 12 bytes to the right of 400-byte region}}
+  // CHECK: {{allocated by thread T0 here:}}
+  // CHECK-Linux: {{    #0 0x.* in operator new.*}}
+  // CHECK-Darwin: {{    #0 0x.* in .*_Zna.*}}
+  // CHECK: {{    #1 0x.* in main .*large_func_test.cc:}}[[@LINE-7]]
+  delete x;
+}