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cmd/compile/internal: min/max inside Println "internal compiler error: mayCall" #60597

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crisman opened this issue Jun 5, 2023 · 1 comment
Closed

cmd/compile/internal: min/max inside Println "internal compiler error: mayCall" #60597

crisman opened this issue Jun 5, 2023 · 1 comment

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@crisman
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crisman commented Jun 5, 2023

What version of Go are you using (go version)?

https://go.dev/play/?v=gotip

With runtime.Version() of devel go1.21-ce8146ed33 Sat Jun 3 21:13:11 2023 +0000

Does this issue reproduce with the latest release?

No, min/max builtins are not present in older releases.

What operating system and processor architecture are you using (go env)?

https://go.dev/play/?v=gotip

What did you do?

https://go.dev/play/p/TAggd5aUk00?v=gotip

min() or max() inside a fmt.Println() where an int variable needs to convert to float.

	some_int := 10
	fmt.Println(max(1, 2.0, some_int))

What did you expect to see?

10
10

What did you see instead?

Click to expand: ./prog.go:12:17: internal compiler error: mayCall

 
./prog.go:12:17: internal compiler error: mayCall
.   MAX int tc(1) # prog.go:12:17
.   MAX-Args
.   .   CONV Implicit int tc(1) # prog.go:12:18
.   .   .   LITERAL-1 uint tc(1) # prog.go:12:18
.   .   LITERAL-2 int tc(1) # prog.go:12:21
.   .   NAME-main.some_int esc(no) Class:PAUTO Offset:0 OnStack Used int tc(1) # prog.go:7:2

goroutine 1 [running]:
runtime/debug.Stack()
    /usr/local/go/src/runtime/debug/stack.go:24 +0x5e
cmd/compile/internal/base.FatalfAt({0x5ed8e9?, 0x0?}, {0xd6fc13, 0xb}, {0xc0003e5d38, 0x1, 0x1})
    /usr/local/go/src/cmd/compile/internal/base/print.go:230 +0x1d7
cmd/compile/internal/walk.mayCall.func2({0xecd578, 0xc0000b8be0})
    /usr/local/go/src/cmd/compile/internal/walk/walk.go:308 +0x3ae
cmd/compile/internal/ir.Any.func1({0xecd578, 0xc0000b8be0})
    /usr/local/go/src/cmd/compile/internal/ir/visit.go:130 +0x2d
cmd/compile/internal/ir.(*ConvExpr).doChildren(0xc000120ab0, 0xc00062aa38)
    /usr/local/go/src/cmd/compile/internal/ir/node_gen.go:503 +0xac
cmd/compile/internal/ir.DoChildren(...)
    /usr/local/go/src/cmd/compile/internal/ir/visit.go:94
cmd/compile/internal/ir.Any.func1({0xecd938, 0xc000120ab0})
    /usr/local/go/src/cmd/compile/internal/ir/visit.go:130 +0x5f
cmd/compile/internal/ir.Any({0xecd938, 0xc000120ab0}, 0xc0005e52c0)
    /usr/local/go/src/cmd/compile/internal/ir/visit.go:132 +0xb3
cmd/compile/internal/walk.mayCall({0xecd938, 0xc000120ab0})
    /usr/local/go/src/cmd/compile/internal/walk/walk.go:299 +0x6c
cmd/compile/internal/walk.walkCall1(0xc0000b8fa0, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:619 +0x337
cmd/compile/internal/walk.walkCall(0xc0000b8fa0, 0x2?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:589 +0xb66
cmd/compile/internal/walk.walkExpr1({0xecd578, 0xc0000b8fa0}, 0xc0000b8fa0?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:189 +0x3a9
cmd/compile/internal/walk.walkExpr({0xecd578, 0xc0000b8fa0}, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:56 +0x2da
cmd/compile/internal/walk.dataWord(0xc0001203f0, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/convert.go:211 +0xdbd
cmd/compile/internal/walk.walkConvInterface(0xc0001203f0, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/convert.go:60 +0xc7d
cmd/compile/internal/walk.walkExpr1({0xecd938, 0xc0001203f0}, 0xc0001203f0?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:224 +0x478
cmd/compile/internal/walk.walkExpr({0xecd938, 0xc0001203f0}, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:56 +0x2da
cmd/compile/internal/walk.walkAssign(0xc0003e6b60, {0xece6b8, 0xc00062f040})
    /usr/local/go/src/cmd/compile/internal/walk/assign.go:72 +0xc65
cmd/compile/internal/walk.walkExpr1({0xece6b8, 0xc00062f040}, 0xc00062f040?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:192 +0x37f
cmd/compile/internal/walk.walkExpr({0xece6b8, 0xc00062f040}, 0xc0003e6b60)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:56 +0x2da
cmd/compile/internal/walk.walkStmt({0xece6b8, 0xc00062f040?})
    /usr/local/go/src/cmd/compile/internal/walk/stmt.go:59 +0x87a
cmd/compile/internal/walk.walkStmtList(...)
    /usr/local/go/src/cmd/compile/internal/walk/stmt.go:175
cmd/compile/internal/walk.walkStmt({0xece238, 0xc000613740?})
    /usr/local/go/src/cmd/compile/internal/walk/stmt.go:98 +0x129d
cmd/compile/internal/walk.appendWalkStmt(0xc0003e7408, {0xece238, 0xc000613740})
    /usr/local/go/src/cmd/compile/internal/walk/walk.go:258 +0x67
cmd/compile/internal/walk.slicelit(0x0, 0xc000106b80, {0xecd278?, 0xc000632210}, 0xecd938?)
    /usr/local/go/src/cmd/compile/internal/walk/complit.go:409 +0xaf0
cmd/compile/internal/walk.anylit({0xece0b8, 0xc000106b80}, {0xecd278?, 0xc000632210}, 0xc0003e7008?)
    /usr/local/go/src/cmd/compile/internal/walk/complit.go:600 +0x48f
cmd/compile/internal/walk.oaslit(...)
    /usr/local/go/src/cmd/compile/internal/walk/complit.go:649
cmd/compile/internal/walk.walkAssign(0xc0003e7408, {0xece6b8, 0xc00062eeb0})
    /usr/local/go/src/cmd/compile/internal/walk/assign.go:57 +0x84b
cmd/compile/internal/walk.walkExpr1({0xece6b8, 0xc00062eeb0}, 0xc00062eeb0?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:192 +0x37f
cmd/compile/internal/walk.walkExpr({0xece6b8, 0xc00062eeb0}, 0xc0003e7408)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:56 +0x2da
cmd/compile/internal/walk.appendWalkStmt(...)
    /usr/local/go/src/cmd/compile/internal/walk/walk.go:256
cmd/compile/internal/walk.ascompatee(0x16, {0xc0005e4f70?, 0x1, 0x2?}, {0xc0005e4fb0?, 0x1, 0xecd578?})
    /usr/local/go/src/cmd/compile/internal/walk/assign.go:375 +0x7f2
cmd/compile/internal/walk.walkAssignList(0xc0003e7838, 0xc0006301e0)
    /usr/local/go/src/cmd/compile/internal/walk/assign.go:147 +0x146
cmd/compile/internal/walk.walkExpr1({0xece3b8, 0xc0006301e0}, 0xc0006301e0?)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:196 +0x2a8
cmd/compile/internal/walk.walkExpr({0xece3b8, 0xc0006301e0}, 0xc0003e7838)
    /usr/local/go/src/cmd/compile/internal/walk/expr.go:56 +0x2da
cmd/compile/internal/walk.walkStmt({0xece3b8, 0xc0006301e0?})
    /usr/local/go/src/cmd/compile/internal/walk/stmt.go:59 +0x87a
cmd/compile/internal/walk.walkStmtList(...)
    /usr/local/go/src/cmd/compile/internal/walk/stmt.go:175
cmd/compile/internal/walk.Walk(0xc0003bbe40)
    /usr/local/go/src/cmd/compile/internal/walk/walk.go:43 +0x14d
cmd/compile/internal/gc.prepareFunc(0xc0003bbe40)
    /usr/local/go/src/cmd/compile/internal/gc/compile.go:105 +0xf9
cmd/compile/internal/gc.enqueueFunc(0xc0003bbe40)
    /usr/local/go/src/cmd/compile/internal/gc/compile.go:71 +0x307
cmd/compile/internal/gc.Main(0xda2b78)
    /usr/local/go/src/cmd/compile/internal/gc/main.go:338 +0x14dd
main.main()
    /usr/local/go/src/cmd/compile/main.go:57 +0xf9


Go build failed.
@cuonglm
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cuonglm commented Jun 5, 2023

Duplicated of #60582

@cuonglm cuonglm closed this as completed Jun 5, 2023
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@crisman @cuonglm