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go/test/fixedbugs/issue31573.go
Matthew Dempsky 9f9e17a82f cmd/compile: fix ICE from go/defer call to variadic function
The special case logic for go/defer arguments in Escape.call was
scattered around a bit and was somewhat inconsistently handled across
different types of function calls and parameters. This CL pulls the
logic out into a separate callStmt method that's used uniformly for
all kinds of function calls and arguments.

Fixes #31573.

Change-Id: Icdcdf611754dc3fcf1af7cb52879fb4b73a7a31f
Reviewed-on: https://go-review.googlesource.com/c/go/+/173019
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2019-04-19 20:45:14 +00:00

50 lines
2.6 KiB
Go

// errorcheck -0 -m
// Copyright 2019 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 p
func f(...*int) {} // ERROR "can inline f$"
func g() {
defer f() // ERROR "... argument does not escape$"
defer f(new(int)) // ERROR "... argument does not escape$" "new\(int\) does not escape$"
defer f(new(int), new(int)) // ERROR "... argument does not escape$" "new\(int\) does not escape$"
defer f(nil...)
defer f([]*int{}...) // ERROR "\[\]\*int literal does not escape$"
defer f([]*int{new(int)}...) // ERROR "\[\]\*int literal does not escape$" "new\(int\) does not escape$"
defer f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int literal does not escape$" "new\(int\) does not escape$"
go f() // ERROR "... argument escapes to heap$"
go f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
go f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
go f(nil...)
go f([]*int{}...) // ERROR "\[\]\*int literal escapes to heap$"
go f([]*int{new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
go f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
for {
defer f() // ERROR "... argument escapes to heap$"
defer f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
defer f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
defer f(nil...)
defer f([]*int{}...) // ERROR "\[\]\*int literal escapes to heap$"
defer f([]*int{new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
defer f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
go f() // ERROR "... argument escapes to heap$"
go f(new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
go f(new(int), new(int)) // ERROR "... argument escapes to heap$" "new\(int\) escapes to heap$"
go f(nil...)
go f([]*int{}...) // ERROR "\[\]\*int literal escapes to heap$"
go f([]*int{new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
go f([]*int{new(int), new(int)}...) // ERROR "\[\]\*int literal escapes to heap$" "new\(int\) escapes to heap$"
}
}