[sanitizer] Simplify stack check in accert.cc
Somehow on arm bots stack does not include main.
// RUN: %clangxx %s -o %t
// RUN: not --crash %run %t 2>&1 | FileCheck --check-prefix=CHECK0 %s
// RUN: %env_tool_opts=handle_abort=0 not --crash %run %t 2>&1 | FileCheck --check-prefix=CHECK0 %s
-// RUN: %env_tool_opts=handle_abort=1 not %run %t
// RUN: %env_tool_opts=handle_abort=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK1 %s
// clang-format on
@@ -26,6 +25,7 @@ int main(int argc, char **argv) {
// CHECK0-NOT: Sanitizer:DEADLYSIGNAL
// CHECK1: ERROR: {{.*}}Sanitizer: ABRT
-// CHECK1: {{#[0-9]+.* main .*assert\.cc}}:[[@LINE-5]]
+// CHECK1-NEXT: {{ #0 }}
+// CHECK1-NEXT: {{ #1 }}
// CHECK1: DEATH CALLBACK
// CHECK0-NOT: Sanitizer
