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gccgo: internal compiler error in wide_int_to_tree (2) #12618

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dvyukov opened this issue Sep 14, 2015 · 2 comments
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gccgo: internal compiler error in wide_int_to_tree (2) #12618

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 p
var v=0>>"
go1: internal compiler error: in wide_int_to_tree, at tree.c:1456
0xd452d3 wide_int_to_tree(tree_node*, generic_wide_int<wide_int_ref_storage<false> > const&)
    ../../gcc/tree.c:1456
0xd4642d double_int_to_tree(tree_node*, double_int)
    ../../gcc/tree.c:1288
0x606e4a Gcc_backend::integer_constant_expression(Btype*, __mpz_struct*)
    ../../gcc/go/go-gcc.cc:1231
0x5ea9ec Binary_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:5712
0x5f0726 Type_conversion_expression::do_get_backend(Translate_context*)
    ../../gcc/go/gofrontend/expressions.cc:3269
0x61dd31 Variable::get_init_block(Gogo*, Named_object*, Bvariable*)
    ../../gcc/go/gofrontend/gogo.cc:6448
0x626547 Gogo::write_globals()
    ../../gcc/go/gofrontend/gogo.cc:1418

gofrontend is on commit 1d9d92ab09996d2f7795481d2876a21194502b89
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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/14647 mentions this issue.

rth7680 pushed a commit to rth7680/gcc that referenced this issue Oct 20, 2015
compiler: Report errors for non-integral shift counts.
6b5e0fa 
    
    Fixes golang/go#12618.
    
    Reviewed-on: https://go-review.googlesource.com/14647


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229096 138bc75d-0d04-0410-961f-82ee72b054a4
@golang golang locked and limited conversation to collaborators Oct 24, 2016
asiekierka pushed a commit to WonderfulToolchain/gcc-ia16 that referenced this issue May 16, 2022
compiler: Report errors for non-integral shift counts.
28c64f6 
    
    Fixes golang/go#12618.
    
    Reviewed-on: https://go-review.googlesource.com/14647

From-SVN: r229096
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