[CONSAN] Disable overflow checks in consan (#8940)

Disabling overflow asserts when ConSan is enabled. Overflow checks are
enabled by default, however, the checks code interfere with couple of
compiler passes (WS and others), and slow down already slow compilation
of instrumented kernels.

Author: pawelszczerbuk

third_party/nvidia/backend/compiler.py

@@ -173,6 +173,7 @@ def parse_options(self, opts) -> Any:
         # Enable debug mode for ConSan, so device-side assertions are not optimized out
         if "instrumentation_mode" in opts and opts["instrumentation_mode"] == "consan":
             opts["debug"] = True
+            opts["sanitize_overflow"] = False
 
         args = {'arch': knobs.runtime.override_arch or f"sm{self.target.arch}"}
         args.update({k: opts[k] for k in CUDAOptions.__dataclass_fields__.keys() if k in opts if opts[k] is not None})