for j := goobj.CUFileIndex(0); j < max; j++ {
				fileOffset, ok := fileOffsets[cu.FileTable[j]]
				if !ok {
					// We're looping through all possible file indices. It's possible a file's
					// been deadcode eliminated, and although it's a valid file in the CU, it's
					// not needed in this binary. When that happens, use an invalid offset.
					fileOffset = ^uint32(0)
				}
				off = sb.SetUint32(ctxt.Arch, off, fileOffset)

(SLTIU [x] (ORI  [y] _)) && y >= 0 && uint64(y) >= uint64(x) => (MOVDconst [0])

// SLT/SLTU with known outcomes.
(SLT  x x) => (MOVDconst [0])
(SLTU x x) => (MOVDconst [0])

// Deadcode for LoweredMuluhilo
(Select0 m:(LoweredMuluhilo x y)) && m.Uses == 1 => (MULHU x y)
(Select1 m:(LoweredMuluhilo x y)) && m.Uses == 1 => (MUL x y)

(FADD(S|D) a (FMUL(S|D) x y)) && a.Block.Func.useFMA(v) => (FMADD(S|D) x y a)

	dynid       map[Sym]int32       // stores Dynid for symbol

	relocVariant map[relocId]sym.RelocVariant // stores variant relocs

	// Used to implement field tracking; created during deadcode if
	// field tracking is enabled. Reachparent[K] contains the index of
	// the symbol that triggered the marking of symbol K as live.
	Reachparent []Sym

	// CgoExports records cgo-exported symbols by SymName.

				sb2.AddUint8(1)
			} else {
				sb2.AddUint8(0)
			}
		}

		// Set runtime.disableMemoryProfiling bool if
		// runtime.MemProfile is not retained in the binary after
		// deadcode (and we're not dynamically linking).
		memProfile := ctxt.loader.Lookup("runtime.MemProfile", abiInternalVer)
		if memProfile != 0 && !ctxt.loader.AttrReachable(memProfile) && !ctxt.DynlinkingGo() {