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gccgo: internal compiler error in do_flatten #11592

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dvyukov opened this issue Jul 4, 2015 · 2 comments
Closed

gccgo: internal compiler error in do_flatten #11592

dvyukov opened this issue Jul 4, 2015 · 2 comments
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Gccgo

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@dvyukov
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dvyukov commented Jul 4, 2015

gccgo crashes on the following input:

package a
var e = *<--chan*e
go1: internal compiler error: in do_flatten, at go/gofrontend/expressions.cc:3652
0x5e054f Unary_expression::do_flatten(Gogo*, Named_object*, Statement_inserter*)
    ../../gcc/go/gofrontend/expressions.cc:3652
0x610a13 Expression::flatten(Gogo*, Named_object*, Statement_inserter*)
    ../../gcc/go/gofrontend/expressions.h:803
0x610a13 Flatten::expression(Expression**)
    ../../gcc/go/gofrontend/gogo.cc:3866
0x6126a6 Gogo::flatten_expression(Named_object*, Statement_inserter*, Expression**)
    ../../gcc/go/gofrontend/gogo.cc:3893
0x61fec0 Variable::flatten_init_expression(Gogo*, Named_object*, Statement_inserter*)
    ../../gcc/go/gofrontend/gogo.cc:6020
0x61ff9b Flatten::variable(Named_object*)
    ../../gcc/go/gofrontend/gogo.cc:3782
0x6169e9 Bindings::traverse(Traverse*, bool)
    ../../gcc/go/gofrontend/gogo.cc:7493
0x616b71 Gogo::traverse(Traverse*)
    ../../gcc/go/gofrontend/gogo.cc:2491
0x616dcf Gogo::flatten()
    ../../gcc/go/gofrontend/gogo.cc:3900
0x6105db go_parse_input_files(char const**, unsigned int, bool, bool)
    ../../gcc/go/gofrontend/go.cc:139
0x60c32f go_langhook_parse_file
    ../../gcc/go/go-lang.c:304

gcc version 6.0.0 2015070 (experimental) (GCC)
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dvyukov commented Jul 4, 2015

@paranoiacblack

@paranoiacblack paranoiacblack added this to the Gccgo milestone Jul 9, 2015
@paranoiacblack paranoiacblack added Started Suggested Issues that may be good for new contributors looking for work to do. labels Jul 9, 2015
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CL https://golang.org/cl/12044 mentions this issue.

vries pushed a commit to vries/gcc that referenced this issue Jul 24, 2015
compiler: Check for errors in the underlying types of unary expressi…
7661d70 
…ons.

    
    Fixes golang/go#11592.
    
    Reviewed-on: https://go-review.googlesource.com/12044


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@226122 138bc75d-0d04-0410-961f-82ee72b054a4
@golang golang locked and limited conversation to collaborators Aug 5, 2016
asiekierka pushed a commit to WonderfulToolchain/gcc-ia16 that referenced this issue May 16, 2022
compiler: Check for errors in the underlying types of unary expressions.
20886e7 
    
    Fixes golang/go#11592.
    
    Reviewed-on: https://go-review.googlesource.com/12044

From-SVN: r226122
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