// set the R_WEAK bit, leave rest of reloc type intact
		fn.LSym.R[i].Type |= objabi.R_WEAK
	}
}

// StackOffset returns the stack location of a LocalSlot relative to the
// stack pointer, suitable for use in a DWARF location entry. This has nothing
// to do with its offset in the user variable.
func StackOffset(slot ssa.LocalSlot) int32 {
	n := slot.N
	var off int64
	switch n.Class {
	case ir.PPARAM, ir.PPARAMOUT:

def iface_dtype(obj):
	"Decode type of the data field of an eface or iface struct."
	# known issue: dtype_name decoded from runtime.rtype is "nested.Foo"
	# but the dwarf table lists it as "full/path/to/nested.Foo"

	dynamic_go_type = iface_commontype(obj)
	if dynamic_go_type is None:
		return
	dtype_name = dynamic_go_type['string'].dereference()['str'].string()

			break
		}
		size2 += encoderune(b[size2:], r)
	}
	return s[:size2]
}

type stringStruct struct {
	str unsafe.Pointer
	len int
}

// Variant with *byte pointer type for DWARF debugging.
type stringStructDWARF struct {
	str *byte
	len int
}

func stringStructOf(sp *string) *stringStruct {
	return (*stringStruct)(unsafe.Pointer(sp))
}

-disable-free -disable-llvm-verifier -main-file-name - -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version 2.24 -v -dwarf-column-info -resource-dir /usr/lib/llvm-3.6/bin/../lib/clang/3.6.0 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-3.6/bin/../lib/clang/3.6.0/include -internal-externc-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/include -...

	# suffix array
	encoding/binary, regexp
	< index/suffixarray;

	# executable parsing
	FMT, encoding/binary, compress/zlib, internal/saferio, internal/zstd, sort
	< runtime/debug
	< debug/dwarf
	< debug/elf, debug/gosym, debug/macho, debug/pe, debug/plan9obj, internal/xcoff
	< debug/buildinfo
	< DEBUG;

	# go parser and friends.
	FMT, sort
	< internal/gover
	< go/version
	< go/token

						if d.ldr.AttrReachable(rs) {
							d.ldr.SetAttrReachable(rs, false)
							d.mark(rs, symIdx)
						}
					}
				}
				i += 2
				continue
			case objabi.R_USETYPE:
				// type symbol used for DWARF. we need to load the symbol but it may not
				// be otherwise reachable in the program.
				// do nothing for now as we still load all type symbols.
				continue
			case objabi.R_USEIFACE:

	}
	if a.buildID != "" {
		defaultGcFlags = append(defaultGcFlags, "-buildid", a.buildID)
	}
	if p.Internal.OmitDebug || cfg.Goos == "plan9" || cfg.Goarch == "wasm" {
		defaultGcFlags = append(defaultGcFlags, "-dwarf=false")
	}
	if strings.HasPrefix(ToolchainVersion, "go1") && !strings.Contains(os.Args[0], "go_bootstrap") {
		defaultGcFlags = append(defaultGcFlags, "-goversion", ToolchainVersion)
	}
	if p.Internal.Cover.Cfg != "" {

// Auxiliary symbols.
//
// Each symbol may (or may not) be associated with a number of auxiliary
// symbols. They are described in the Aux block. See Aux struct below.
// Currently a symbol's Gotype, FuncInfo, and associated DWARF symbols
// are auxiliary symbols.

const stringRefSize = 8 // two uint32s

type FingerprintType [8]byte

func (fp FingerprintType) IsZero() bool { return fp == FingerprintType{} }

// Package Index.

  if [[ "${DBG:-}" == 1 ]]; then
      # Debugging - disable optimizations and inlining and trimPath
      gogcflags="${gogcflags} all=-N -l"
  else
      # Not debugging - disable symbols and DWARF, trim embedded paths
      goldflags="${goldflags} -s -w"
      goflags+=("-trimpath")
  fi

  # Extract tags if any specified in GOFLAGS

		optFlags += " -l"
	}

	moreargs := []string{}
	if *useGdb && (runtime.GOOS == "darwin" || runtime.GOOS == "windows") {
		// gdb and lldb on Darwin do not deal with compressed dwarf.
		// also, Windows.
		moreargs = append(moreargs, "-ldflags=-compressdwarf=false")
	}

	subTest(t, debugger+"-dbg", "hist", dbgFlags, moreargs...)
	subTest(t, debugger+"-dbg", "scopes", dbgFlags, moreargs...)