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go/test/abi/convF_criteria.go
Than McIntosh bb76193a7f cmd/compile: fix buglet in walk convert phase relating to convF32/64
The helper function used by the compiler's walk phase to determine
whether a param can be passed in a single float register wasn't quite
correct (didn't allow for the possibility of struct with two fields,
first zero size and second float). Fix up the helper to take this
case into account.

Updates #40724.

Change-Id: I55b42a1b17ea86de1d696788f029ad3aae4a179c
Reviewed-on: https://go-review.googlesource.com/c/go/+/308689
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-04-08 19:58:50 +00:00

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424 B
Go

// run
// Copyright 2021 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.
package main
import "fmt"
type myStruct struct {
F0 [0]struct{}
F1 float32
}
type myStruct2 struct {
F0 [0]struct{}
F1 float32
F2 [0]struct{}
}
func main() {
x := myStruct{F1: -1.25}
fmt.Println(x)
x2 := myStruct2{F1: -7.97}
fmt.Println(x2)
}