} else {
		cc[fold] = pathInfo{path: p, isDir: isDir}
	}

	if parent := path.Dir(p); parent != "." {
		return cc.check(parent, true)
	}
	return nil
}

// listFilesInDir walks the directory tree rooted at dir and returns a list of
// files, as well as a list of directories and files that were skipped (for
// example, nested modules and symbolic links).

	// Populate "rval" with what we've computed.
	rval.Slots = state.slots
	rval.VarSlots = state.varSlots
	rval.Vars = state.vars
	rval.LocationLists = state.lists
}

// liveness walks the function in control flow order, calculating the start
// and end state of each block.
func (state *debugState) liveness() []*BlockDebug {
	blockLocs := make([]*BlockDebug, state.f.NumBlocks())
	counterTime := int32(1)

		size += int64(len(ctxt.loader.SymName(s)) + 1) // NULL terminate
	})

	state.funcnametab = state.addGeneratedSym(ctxt, "runtime.funcnametab", size, writeFuncNameTab)
	return nameOffsets
}

// walkFilenames walks funcs, calling a function for each filename used in each
// function's line table.
func walkFilenames(ctxt *Link, funcs []loader.Sym, f func(*sym.CompilationUnit, goobj.CUFileIndex)) {
	ldr := ctxt.loader

		// If any term of tpar has a tilde, we don't
		// have a precise core type and we must return
		// a tilde as well.
		return &term{tilde, typ}, false
	}
	return nil, false
}

// killCycles walks through the given type parameters and looks for cycles
// created by type parameters whose inferred types refer back to that type
// parameter, either directly or indirectly. If such a cycle is detected,

		d.skip()
		d.scanNext()

	case scanBeginLiteral:
		v := d.literalInterface()
		switch v.(type) {
		case nil, string:
			return v
		}
	}
	return unquotedValue{}
}

// indirect walks down v allocating pointers as needed,
// until it gets to a non-pointer.
// If it encounters an Unmarshaler, indirect stops and returns that.
// If decodingNull is true, indirect stops at the first settable pointer so it

// (e.g. the accumulator needs 4 CPUs but only 3 are available).
func (a *cpuAccumulator) isFailed() bool {
	return a.numCPUsNeeded > a.details.CPUs().Size()
}

// iterateCombinations walks through all n-choose-k subsets of size k in n and
// calls function 'f()' on each subset. For example, if n={0,1,2}, and k=2,
// then f() will be called on the subsets {0,1}, {0,2}. and {1,2}. If f() ever

	if outer != 0 {
		off += ldr.SymValue(s) - ldr.SymValue(outer)
		s = outer
	}
	return s, off
}

// relocsym resolve relocations in "s", updating the symbol's content
// in "P".
// The main loop walks through the list of relocations attached to "s"
// and resolves them where applicable. Relocations are often
// architecture-specific, requiring calls into the 'archreloc' and/or

			s.writeError(err)
		}
	case *parse.WithNode:
		s.walkIfOrWith(parse.NodeWith, dot, node.Pipe, node.List, node.ElseList)
	default:
		s.errorf("unknown node: %s", node)
	}
}

// walkIfOrWith walks an 'if' or 'with' node. The two control structures
// are identical in behavior except that 'with' sets dot.
func (s *state) walkIfOrWith(typ parse.NodeType, dot reflect.Value, pipe *parse.PipeNode, list, elseList *parse.ListNode) {

	// matches the cached contents.
	const debugCheckCache = false

	if off == 0 {
		return -1, 0
	}

	// Check the cache. This speeds up walks of deep stacks, which
	// tend to have the same recursive functions over and over,
	// or repetitive stacks between goroutines.
	var checkVal int32
	var checkPC uintptr
	ck := pcvalueCacheKey(targetpc)
	{

//
// p.mheapLock must be held.
func (p *pageAlloc) find(npages uintptr) (uintptr, offAddr) {
	assertLockHeld(p.mheapLock)

	// Search algorithm.
	//
	// This algorithm walks each level l of the radix tree from the root level
	// to the leaf level. It iterates over at most 1 << levelBits[l] of entries
	// in a given level in the radix tree, and uses the summary information to
	// find either: