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cmd/compile: init loop does not trace through inlined functions #4758

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rsc opened this issue Feb 5, 2013 · 9 comments
Open

cmd/compile: init loop does not trace through inlined functions #4758

rsc opened this issue Feb 5, 2013 · 9 comments
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Unplanned

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@rsc
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rsc commented Feb 5, 2013 

$ cat x.go
package p
var x = f
func f() { g() }
func g() { _ = x }
$ 6g x.go
x.go:2: initialization loop:
    x.go:2 x refers to
    x.go:3 f refers to
    x.go:2 x

Should be f refers to g refers to x (but g has been inlined into f and been dropped).
@rsc
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rsc commented Mar 12, 2013

Comment 1:

Labels changed: added go1.1maybe, removed go1.1.

@robpike
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robpike commented May 18, 2013

Comment 2:

Labels changed: added go1.2maybe, removed go1.1maybe.

@rsc
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rsc commented Jul 30, 2013

Comment 3:

Labels changed: added feature.

@robpike
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robpike commented Aug 30, 2013

Comment 4:

Not for 1.2.

Labels changed: removed go1.2maybe.

@rsc
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rsc commented Nov 27, 2013

Comment 5:

Labels changed: added go1.3maybe.

@rsc
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rsc commented Nov 27, 2013

Comment 6:

Labels changed: removed feature.

@rsc
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rsc commented Dec 4, 2013

Comment 7:

Labels changed: added release-none, removed go1.3maybe.

@rsc
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rsc commented Dec 4, 2013

Comment 8:

Labels changed: added repo-main.

@rsc rsc added this to the Unplanned milestone Apr 10, 2015
@rsc rsc changed the title cmd/gc: init loop does not trace through inlined functions cmd/compile: init loop does not trace through inlined functions Jun 8, 2015
@cuonglm
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cuonglm commented Oct 4, 2023

go1.21 and tip now emits:

p.go:3:5: initialization cycle for x
	p.go:3:5: x refers to
	p.go:5:6: f refers to
	p.go:6:6: g refers to
	p.go:3:5: x

I think we could close this issue now.

cc @rsc

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@rsc @cuonglm @robpike