[ASan] Change __asan_set_on_error_callback to weak overridable __asan_on_error, so that ASan would call the latter even if it finds the error early (i.e. during module initialization)

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@165008 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed