Make ASan and TSan tests a bit less brittle with @LINE FileCheck macro

llvm-svn: 171181
diff --git a/compiler-rt/lib/asan/lit_tests/strncpy-overflow.cc b/compiler-rt/lib/asan/lit_tests/strncpy-overflow.cc
index 9381f13..1871184 100644
--- a/compiler-rt/lib/asan/lit_tests/strncpy-overflow.cc
+++ b/compiler-rt/lib/asan/lit_tests/strncpy-overflow.cc
@@ -25,16 +25,16 @@
   // CHECK: {{WRITE of size 1 at 0x.* thread T0}}
   // CHECK-Linux: {{    #0 0x.* in .*strncpy}}
   // CHECK-Darwin: {{    #0 0x.* in _?wrap_strncpy}}
-  // CHECK: {{    #1 0x.* in _?main .*strncpy-overflow.cc:24}}
+  // CHECK: {{    #1 0x.* in _?main .*strncpy-overflow.cc:}}[[@LINE-4]]
   // CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}}
   // CHECK: {{allocated by thread T0 here:}}
 
   // CHECK-Linux: {{    #0 0x.* in .*malloc}}
-  // CHECK-Linux: {{    #1 0x.* in main .*strncpy-overflow.cc:23}}
+  // CHECK-Linux: {{    #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-10]]
 
   // CHECK-Darwin: {{    #0 0x.* in .*mz_malloc.*}}
   // CHECK-Darwin: {{    #1 0x.* in malloc_zone_malloc.*}}
   // CHECK-Darwin: {{    #2 0x.* in malloc.*}}
-  // CHECK-Darwin: {{    #3 0x.* in _?main .*strncpy-overflow.cc:23}}
+  // CHECK-Darwin: {{    #3 0x.* in _?main .*strncpy-overflow.cc:}}[[@LINE-15]]
   return short_buffer[8];
 }