actual := LastIndexByte([]byte(test.a), test.b[0])
		if actual != test.i {
			t.Errorf("LastIndexByte(%q,%c) = %v; want %v", test.a, test.b[0], actual, test.i)
		}
	}
}

// test a larger buffer with different sizes and alignments
func TestIndexByteBig(t *testing.T) {
	var n = 1024
	if testing.Short() {
		n = 128
	}
	b := make([]byte, n)
	for i := 0; i < n; i++ {

		}

		fatalf("unresolved names")
	}

	return needType
}

// loadDWARF parses the DWARF debug information generated
// by gcc to learn the details of the constants, variables, and types
// being referred to as C.xxx.
func (p *Package) loadDWARF(f *File, conv *typeConv, names []*Name) {
	// Extract the types from the DWARF section of an object

)

type SlotID int32
type VarID int32

// A FuncDebug contains all the debug information for the variables in a
// function. Variables are identified by their LocalSlot, which may be
// the result of decomposing a larger variable.
type FuncDebug struct {
	// Slots is all the slots used in the debug info, indexed by their SlotID.
	Slots []LocalSlot
	// The user variables, indexed by VarID.
	Vars []*ir.Name

// be merged, and returns an encoded rotate+mask value of the combined RLDICL.
func mergePPC64RLDICLandSRDconst(encoded, s int64) int64 {
	mb := s
	r := 64 - s
	// A larger mb is a smaller mask.
	if (encoded>>8)&0xFF < mb {
		encoded = (encoded &^ 0xFF00) | mb<<8
	}
	// The rotate is expected to be 0.
	if (encoded & 0xFF0000) != 0 {
		panic("non-zero rotate")
	}

		// When we branched from parent we learned a new set of
		// restrictions. Update the factsTable accordingly.
		d := tr.d
		if d == signed && ft.isNonNegative(c.Args[0]) && ft.isNonNegative(c.Args[1]) {
			d |= unsigned
		}
		switch c.Op {
		case OpIsInBounds, OpIsSliceInBounds:
			// 0 <= a0 < a1 (or 0 <= a0 <= a1)
			//
			// On the positive branch, we learn:
			//   signed: 0 <= a0 < a1 (or 0 <= a0 <= a1)

//  - Integer types live in the low portion of registers. Upper portions are junk.
//  - Boolean types use the low-order byte of a register. 0=false, 1=true.
//    Upper bytes are junk.
//  - *const instructions may use a constant larger than the instruction can encode.
//    In this case the assembler expands to multiple instructions and uses tmp
//    register (R27).
//  - All 32-bit Ops will zero the upper 32 bits of the destination register.