MSVC: Disable ICF for optimize=speed_trace

SConstruct

@@ -572,9 +572,12 @@ if selected_platform in platform_list:
             env.Append(CCFLAGS=["/Zi", "/FS"])
             env.Append(LINKFLAGS=["/DEBUG:FULL"])
 
-        if env["optimize"] == "speed" or env["optimize"] == "speed_trace":
+        if env["optimize"] == "speed":
             env.Append(CCFLAGS=["/O2"])
             env.Append(LINKFLAGS=["/OPT:REF"])
+        elif env["optimize"] == "speed_trace":
+            env.Append(CCFLAGS=["/O2"])
+            env.Append(LINKFLAGS=["/OPT:REF", "/OPT:NOICF"])
         elif env["optimize"] == "size":
             env.Append(CCFLAGS=["/O1"])
             env.Append(LINKFLAGS=["/OPT:REF"])