// The provided files must all belong to the same package.
func (check *Checker) initFiles(files []*syntax.File) {
	// start with a clean slate (check.Files may be called multiple times)
	check.files = nil
	check.imports = nil
	check.dotImportMap = nil

	check.firstErr = nil
	check.methods = nil
	check.untyped = nil
	check.delayed = nil
	check.objPath = nil
	check.cleaners = nil

}

// isExactFloat32 reports whether x can be exactly represented as a float32.
func isExactFloat32(x float64) bool {
	// Check the mantissa is in range.
	if bits.TrailingZeros64(math.Float64bits(x)) < 52-23 {
		return false
	}
	// Check the exponent is in range. The mantissa check above is sufficient for NaN values.
	return math.IsNaN(x) || x == float64(float32(x))

# See .github/workflows/CheckBadMerge.groovy for explanation
name: Check bad merge commit
on:
  pull_request:
    types:
     - opened
     - synchronize

permissions: {}

jobs:
  check_pr_commits:
    permissions:
      contents: read
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set up JDK 11

func (check *Checker) objDecl(obj Object, def *TypeName) {
	if check.conf.Trace && obj.Type() == nil {
		if check.indent == 0 {
			fmt.Println() // empty line between top-level objects for readability
		}
		check.trace(obj.Pos(), "-- checking %s (%s, objPath = %s)", obj, obj.color(), pathString(check.objPath))
		check.indent++
		defer func() {
			check.indent--

   */
  protected ArrayBasedUnicodeEscaper(
      ArrayBasedEscaperMap escaperMap,
      int safeMin,
      int safeMax,
      @Nullable String unsafeReplacement) {
    checkNotNull(escaperMap); // GWT specific check (do not optimize)
    this.replacements = escaperMap.getReplacementArray();
    this.replacementsLength = replacements.length;
    if (safeMax < safeMin) {

		}
	}
}

func (check *Checker) instantiatedType(x syntax.Expr, xlist []syntax.Expr, def *TypeName) (res Type) {
	if check.conf.Trace {
		check.trace(x.Pos(), "-- instantiating type %s with %s", x, xlist)
		check.indent++
		defer func() {
			check.indent--
			// Don't format the underlying here. It will always be nil.
			check.trace(x.Pos(), "=> %s", res)
		}()
	}

	defer func() {

// dump is only needed for debugging
func (check *Checker) dump(format string, args ...any) {
	fmt.Println(sprintf(check.qualifier, true, format, args...))
}

func (check *Checker) qualifier(pkg *Package) string {
	// Qualify the package unless it's the package being type-checked.
	if pkg != check.pkg {
		if check.pkgPathMap == nil {
			check.pkgPathMap = make(map[string]map[string]bool)
			check.seenPkgMap = make(map[*Package]bool)

	defer func(env environment, indent int) {
		check.environment = env
		check.indent = indent
	}(check.environment, check.indent)
	check.environment = environment{
		decl:  decl,
		scope: sig.scope,
		iota:  iota,
		sig:   sig,
	}
	check.indent = 0

	check.stmtList(0, body.List)

	if check.hasLabel && !check.conf.IgnoreBranchErrors {
		check.labels(body)
	}

	sortMethods(methods)

	typ.methods = methods
	typ.embeddeds = embeddeds
	typ.complete = true

	return typ
}

// check may be nil
func (check *Checker) newInterface() *Interface {
	typ := &Interface{check: check}
	if check != nil {
		check.needsCleanup(typ)
	}
	return typ
}

// MarkImplicit marks the interface t as implicit, meaning this interface

	// Only report a mismatch error if there are no other errors on the rhs.
	if rhs[0].mode != invalid {
		check.assignError(orig_rhs, l, r)
	}
	check.useLHS(lhs...)
	// orig_rhs[0] was already evaluated
}

func (check *Checker) shortVarDecl(pos poser, lhs, rhs []syntax.Expr) {
	top := len(check.delayed)
	scope := check.scope

	// collect lhs variables
	seen := make(map[string]bool, len(lhs))