Source file test/fixedbugs/issue57955.go

     1  // compile
     2  
     3  // Copyright 2023 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 57955: ARM assembler fails to handle certain cases.
     8  
     9  package main
    10  
    11  func main() {
    12  	Decode[int16](nil)
    13  	Decode[uint16](nil)
    14  	Decode[float64](nil)
    15  }
    16  
    17  func DecodeInt16(b []byte) (int16, int) {
    18  	return 0, 0
    19  }
    20  
    21  func DecodeUint16(b []byte) (uint16, int) {
    22  	return 0, 0
    23  }
    24  
    25  func DecodeFloat64(b []byte) (float64, int) {
    26  	return 0, 0
    27  }
    28  
    29  func Decode[T any](b []byte) (T, int) {
    30  	switch any(*new(T)).(type) {
    31  	case int16:
    32  		v, n := DecodeInt16(b)
    33  		return any(v).(T), n
    34  	case uint16:
    35  		v, n := DecodeUint16(b)
    36  		return any(v).(T), n
    37  	case float64:
    38  		v, n := DecodeFloat64(b)
    39  		return any(v).(T), n
    40  	default:
    41  		panic("")
    42  	}
    43  }
    44  

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