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gccgo: internal compiler error in insert #12616

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dvyukov opened this issue Sep 14, 2015 · 2 comments
Closed

gccgo: internal compiler error in insert #12616

dvyukov opened this issue Sep 14, 2015 · 2 comments
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Gccgo

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@dvyukov
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dvyukov commented Sep 14, 2015

gccgo crashes on the following program:

package a
const c = 0<<false
go1: internal compiler error: in insert, at go/gofrontend/gogo.cc:7955
0x61ff44 Statement_inserter::insert(Statement*)
    ../../gcc/go/gofrontend/gogo.cc:7955
0x5deead Binary_expression::do_flatten(Gogo*, Named_object*, Statement_inserter*)
    ../../gcc/go/gofrontend/expressions.cc:5172
0x610913 Expression::flatten(Gogo*, Named_object*, Statement_inserter*)
    ../../gcc/go/gofrontend/expressions.h:813
0x610913 Flatten::expression(Expression**)
    ../../gcc/go/gofrontend/gogo.cc:3904
0x5e209d Expression::traverse(Expression**, Traverse*)
    ../../gcc/go/gofrontend/expressions.cc:43
0x616991 Named_constant::traverse_expression(Traverse*)
    ../../gcc/go/gofrontend/gogo.cc:6594
0x616991 Bindings::traverse(Traverse*, bool)
    ../../gcc/go/gofrontend/gogo.cc:7539
0x616b51 Gogo::traverse(Traverse*)
    ../../gcc/go/gofrontend/gogo.cc:2495
0x616daf Gogo::flatten()
    ../../gcc/go/gofrontend/gogo.cc:3938
0x6104db go_parse_input_files(char const**, unsigned int, bool, bool)
    ../../gcc/go/gofrontend/go.cc:139
0x60c20f go_langhook_parse_file
    ../../gcc/go/go-lang.c:304

gofrontend is on commit 1d9d92ab09996d2f7795481d2876a21194502b89
@dvyukov
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dvyukov commented Sep 14, 2015

@ianlancetaylor

@ianlancetaylor ianlancetaylor added this to the Gccgo milestone Sep 14, 2015
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CL https://golang.org/cl/14645 mentions this issue.

vries pushed a commit to vries/gcc that referenced this issue Oct 7, 2015
compiler: Don't make temporaries for constant operands.
545ab43 
    
    Fixes golang/go#12616.
    
    Reviewed-on: https://go-review.googlesource.com/14645


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228578 138bc75d-0d04-0410-961f-82ee72b054a4
@golang golang locked and limited conversation to collaborators Oct 9, 2016
asiekierka pushed a commit to WonderfulToolchain/gcc-ia16 that referenced this issue May 16, 2022
compiler: Don't make temporaries for constant operands.
65f52d9 
    
    Fixes golang/go#12616.
    
    Reviewed-on: https://go-review.googlesource.com/14645

From-SVN: r228578
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