token.BREAK:       true,
	token.CONST:       true,
	token.CONTINUE:    true,
	token.DEFER:       true,
	token.FALLTHROUGH: true,
	token.FOR:         true,
	token.GO:          true,
	token.GOTO:        true,
	token.IF:          true,
	token.RETURN:      true,
	token.SELECT:      true,
	token.SWITCH:      true,
	token.TYPE:        true,
	token.VAR:         true,
}

	// unnecessarily. See issue #35470.
	p = ctxt.StartUnsafePoint(p, newprog)

	var to_done, to_more *obj.Prog

	if framesize <= abi.StackSmall {
		// small stack
		//	// if SP > stackguard { goto done }
		//	BLTU	stackguard, SP, done
		p = obj.Appendp(p, newprog)
		p.As = ABLTU
		p.From.Type = obj.TYPE_REG
		p.From.Reg = REG_X6
		p.Reg = REG_SP
		p.To.Type = obj.TYPE_BRANCH
		to_done = p

   * illustrated <a
   * href="http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5Cp%7Bwhitespace%7D">here</a>.
   * This is not the same definition used by other Java APIs. (See a <a
   * href="https://goo.gl/Y6SLWx">comparison of several definitions of "whitespace"</a>.)
   *
   * <p>All Unicode White_Space characters are on the BMP and thus supported by this API.
   *

   * illustrated <a
   * href="http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5Cp%7Bwhitespace%7D">here</a>.
   * This is not the same definition used by other Java APIs. (See a <a
   * href="https://goo.gl/Y6SLWx">comparison of several definitions of "whitespace"</a>.)
   *
   * <p>All Unicode White_Space characters are on the BMP and thus supported by this API.
   *

	}

	// Is the target up-to-date?
	var gofiles, sfiles []string
	stale := rebuildall
	files = filter(files, func(p string) bool {
		for _, suf := range depsuffix {
			if strings.HasSuffix(p, suf) {
				goto ok
			}
		}
		return false
	ok:
		t := mtime(p)
		if !t.IsZero() && !strings.HasSuffix(p, ".a") && !shouldbuild(p, pkg) {
			return false
		}
		if strings.HasSuffix(p, ".go") {

			p.expectSemi()
		}
	case token.GO:
		s = p.parseGoStmt()
	case token.DEFER:
		s = p.parseDeferStmt()
	case token.RETURN:
		s = p.parseReturnStmt()
	case token.BREAK, token.CONTINUE, token.GOTO, token.FALLTHROUGH:
		s = p.parseBranchStmt(p.tok)
	case token.LBRACE:
		s = p.parseBlockStmt()
		p.expectSemi()
	case token.IF:
		s = p.parseIfStmt()
	case token.SWITCH:
		s = p.parseSwitchStmt()

// system stack).
func doRecordGoroutineProfile(gp1 *g, pcbuf []uintptr) {
	if readgstatus(gp1) == _Grunning {
		print("doRecordGoroutineProfile gp1=", gp1.goid, "\n")
		throw("cannot read stack of running goroutine")
	}

	offset := int(goroutineProfile.offset.Add(1)) - 1

	if offset >= len(goroutineProfile.records) {

    // TODO make exception message escape non-printable characters
  }

  @Test
  fun parseDoesNotTrimOtherWhitespaceCharacters() {
    // Whitespace characters list from Google's Guava team: http://goo.gl/IcR9RD
    // line tabulation
    assertThat(parse("http://h/\u000b").encodedPath).isEqualTo("/%0B")
    // information separator 4
    assertThat(parse("http://h/\u001c").encodedPath).isEqualTo("/%1C")

			}
		}
		if keyword == _For {
			if p.tok != _Semi {
				if p.tok == _Lbrace {
					p.syntaxError("expected for loop condition")
					goto done
				}
				condStmt = p.simpleStmt(nil, 0 /* range not permitted */)
			}
			p.want(_Semi)
			if p.tok != _Lbrace {
				post = p.simpleStmt(nil, 0 /* range not permitted */)

func mergePoint(b *Block, a ...*Value) *Block {
	// Walk backward from b looking for one of the a's blocks.

	// Max distance
	d := 100

	for d > 0 {
		for _, x := range a {
			if b == x.Block {
				goto found
			}
		}
		if len(b.Preds) > 1 {
			// Don't know which way to go back. Abort.
			return nil
		}
		b = b.Preds[0].b
		d--
	}
	return nil // too far away
found: