<magic>
       <match value="0x3026b275" type="big32" offset="0" />
    </magic>
  </mime-type>
  <mime-type type="application/x-ms-asx">
    <_comment>Windows Media Metafile</_comment>
    <glob pattern="*.asx"/>
    <root-XML localName="asx"/>
    <root-XML localName="ASX"/>
    <sub-class-of type="application/xml"/>
  </mime-type>
  <mime-type type="video/x-ms-wm">
    <glob pattern="*.wm"/>

	ir.Syms.Staticuint64s = typecheck.LookupRuntimeVar("staticuint64s")
	ir.Syms.Typedmemmove = typecheck.LookupRuntimeFunc("typedmemmove")
	ir.Syms.Udiv = typecheck.LookupRuntimeVar("udiv")                 // asm func with special ABI
	ir.Syms.WriteBarrier = typecheck.LookupRuntimeVar("writeBarrier") // struct { bool; ... }
	ir.Syms.Zerobase = typecheck.LookupRuntimeVar("zerobase")

	if Arch.LinkArch.Family == sys.Wasm {