issue27961.go

     1  // run
     2  
     3  // Copyright 2018 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Issue 27961: some optimizations generate OffPtr with wrong
     8  // types, which causes invalid bytecode on Wasm.
     9  
    10  package main
    11  
    12  import "math"
    13  
    14  type Vec2 [2]float64
    15  
    16  func main() {
    17  	var a Vec2
    18  	a.A().B().C().D()
    19  }
    20  
    21  func (v Vec2) A() Vec2 {
    22  	return Vec2{v[0], v[0]}
    23  }
    24  
    25  func (v Vec2) B() Vec2 {
    26  	return Vec2{1.0 / v.D(), 0}
    27  }
    28  
    29  func (v Vec2) C() Vec2 {
    30  	return Vec2{v[0], v[0]}
    31  }
    32  
    33  func (v Vec2) D() float64 {
    34  	return math.Sqrt(v[0])
    35  }
    36
View as plain text