Merge "Reapply "Enable CFI for riscv64"" into main

cc/sanitize.go

@@ -679,12 +679,6 @@ func (sanitize *sanitize) begin(ctx BaseModuleContext) {
 		s.Integer_overflow = nil
 	}
 
-	// TODO(b/254713216): CFI doesn't work for riscv64 yet because LTO doesn't work.
-	if ctx.Arch().ArchType == android.Riscv64 {
-		s.Cfi = nil
-		s.Diag.Cfi = nil
-	}
-
 	// Disable CFI for musl
 	if ctx.toolchain().Musl() {
 		s.Cfi = nil