// errorcheck

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// RESOLUTION: This program is illegal.  We should reject all unnecessary backslashes.

package main

const c = '\'';  // this works
const s = "\'";  // ERROR "invalid|escape"

/*
There is no reason why the escapes need to be different inside strings and chars.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

type T struct { s string }
var t = T{"hi"}

func main() {}

/*
bug112.go:6: illegal conversion of constant to T

                    holder.binaries.create("illegal", SampleBinary)
                }
            }

            apply type: IllegallyMutatingComponentBinariesRules
        """

        when:
        fails "tasks"

        then:

func (a *matrix) set(i, j int, x *Rat) {
	if !(0 <= i && i < a.n && 0 <= j && j < a.m) {
		panic("index out of range")
	}
	a.a[i*a.m+j] = x
}

func newMatrix(n, m int) *matrix {
	if !(0 <= n && 0 <= m) {
		panic("illegal matrix")
	}
	a := new(matrix)
	a.n = n
	a.m = m
	a.a = make([]*Rat, n*m)
	return a
}

func newUnit(n int) *matrix {
	a := newMatrix(n, n)
	for i := 0; i < n; i++ {
		for j := 0; j < n; j++ {

// license that can be found in the LICENSE file.

package bug151

type S string

type Empty interface {}

func (v S) Less(e Empty) bool {
	return v < e.(S);
}

/*
bugs/bug151.go:10: illegal types for operand: CALL
	string
	S

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 4348. After switch to 64-bit ints the compiler generates
// illegal instructions when using large array bounds or indexes.

// Skip. We reject symbols larger that 2GB (Issue #9862).

package main

// 1<<32 on a 64-bit machine, 1 otherwise.
const LARGE = ^uint(0)>>32 + 1

package main

func main() {
	var i int = 100
	i = i << -3 // ERROR "overflows|negative"
}

/*
ixedbugs/bug016.go:7: overflow converting constant to <uint32>UINT32
fixedbugs/bug016.go:7: illegal types for operand: AS
	(<int32>INT32)

// errorcheck

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that a couple of illegal variable declarations are caught by the compiler.
// Does not compile.

package main

func main() {
	_ = asdf	// ERROR "undefined.*asdf"

	new = 1	// ERROR "use of builtin new not in function call|invalid left hand side|must be called"

		r, w := rune(s.src[s.rdOffset]), 1
		switch {
		case r == 0:
			s.error(s.offset, "illegal character NUL")
		case r >= utf8.RuneSelf:
			// not ASCII
			r, w = utf8.DecodeRune(s.src[s.rdOffset:])
			if r == utf8.RuneError && w == 1 {
				s.error(s.offset, "illegal UTF-8 encoding")
			} else if r == bom && s.offset > 0 {
				s.error(s.offset, "illegal byte order mark")
			}
		}
		s.rdOffset += w
		s.ch = r
	} else {

	return Lookup(buf[:n])
}

// TODO: these lookup methods are based on the generated trie code. The returned
// sizes have slightly different semantics from the generated code, in that it
// always returns size==1 for an illegal UTF-8 byte (instead of the length
// of the maximum invalid subsequence). Most Transformers, like unicode/norm,
// leave invalid UTF-8 untouched, in which case it has performance benefits to