[asan] Relax a test which depends on optimized debug info
[asan] Relax a test which depends on optimized debug info

On some ARM platforms this test depends on debug locations being
present on constant materialization code, which was eliminated in
r335497.

Relax the test to allow two outcomes: the backtrace either contains the
right line numbers, or no line numbers.

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@335741 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt