[sanitizer][test] Fix FastUnwindTest on LoongArch
Fixes the `FastUnwindTest` unit test for LoongArch.
This change is similar to RISCV D90574.
The following test cases pass after applying the patch:
```
$ ./runtimes/runtimes-bins/compiler-rt/lib/sanitizer_common/tests/Sanitizer-loongarch64-Test
...
[ FAILED ] FastUnwindTest.Basic
[ FAILED ] FastUnwindTest.FramePointerLoop
[ FAILED ] FastUnwindTest.MisalignedFramePointer
[ FAILED ] FastUnwindTest.FPBelowPrevFP
[ FAILED ] FastUnwindTest.CloseToZeroFrame
```
Reviewed By: SixWeining, xen0n, MaskRay
Differential Revision: https://reviews.llvm.org/D137314
GitOrigin-RevId: 91bc4abfdba65a0ef7e40915bdff62324bccf2f2
1 file changed