Remove workarounds for old compiler versions.

LLVM r349610 was released, so these workarounds are no longer required.

Bug: 112907825
Change-Id: Ia6ba0034881f2ab657d8420df3047c21757c7d9b
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 7297718..e6df44f 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -50,12 +50,7 @@
 
 	intOverflowCflags = []string{"-fsanitize-blacklist=build/soong/cc/config/integer_overflow_blacklist.txt"}
 
-	// Pass -Xclang before -fsanitize-minimal-runtime to work around a driver
-	// check which rejects -fsanitize-minimal-runtime together with
-	// -fsanitize=shadow-call-stack even though this combination of flags
-	// is valid.
-	// TODO(pcc): Remove the -Xclang once LLVM r346526 is rolled into the compiler.
-	minimalRuntimeFlags = []string{"-Xclang", "-fsanitize-minimal-runtime", "-fno-sanitize-trap=integer,undefined",
+	minimalRuntimeFlags = []string{"-fsanitize-minimal-runtime", "-fno-sanitize-trap=integer,undefined",
 		"-fno-sanitize-recover=integer,undefined"}
 	hwasanGlobalOptions = []string{"heap_history_size=1023,stack_history_size=512"}
 )
@@ -312,10 +307,7 @@
 	}
 
 	// SCS is only implemented on AArch64.
-	// We also disable SCS if ASAN, TSAN or HWASAN are enabled because Clang considers
-	// them to be incompatible, although they are in fact compatible.
-	// TODO(pcc): Remove these checks once r347282 is rolled into the compiler.
-	if ctx.Arch().ArchType != android.Arm64 || Bool(s.Address) || Bool(s.Thread) || Bool(s.Hwaddress) {
+	if ctx.Arch().ArchType != android.Arm64 {
 		s.Scs = nil
 	}