[hwasan] remove workaround for fixed toolchain issue
these two upstream commits fixed the issues in global-isel and fast-isel:
* global-isel: https://reviews.llvm.org/D82615
* fast-isel: https://reviews.llvm.org/D138615
Currently used clang r498229 (defined build/soong/cc/config/global.go)
is based on upstream commit 14f0776550b5a49e1c42f49a00213f7f3fa047bf
which includes these two changes.
Bug: 293297826
Test: build oriole_hwasan and boot
Change-Id: I65fabdf0b5edd248b4bf4e138a999f8142370cd5
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 626005b..c1ef970 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -56,10 +56,6 @@
// higher number of "optimized out" stack variables.
// b/112437883.
"-instcombine-lower-dbg-declare=0",
- // TODO(b/159343917): HWASan and GlobalISel don't play nicely, and
- // GlobalISel is the default at -O0 on aarch64.
- "--aarch64-enable-global-isel-at-O=-1",
- "-fast-isel=false",
"-hwasan-use-after-scope=1",
"-dom-tree-reachability-max-bbs-to-explore=128",
}
