https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79068
Bug ID: 79068
Summary: [7 Regression] Bootstrap failure on powerpc64-linux
and armv7hl-linux-gnueabi in libgo
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
My bootstrap on these two architectures fail with:
go1: internal compiler error: in write_specific_type_functions, at
go/gofrontend/types.cc:1993
0x102cd6e7 Type::write_specific_type_functions(Gogo*, Named_type*, long,
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >
const&, Function_type*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, Function_type*)
../../gcc/go/gofrontend/types.cc:1993
0x102cdbcf Type::specific_type_functions(Gogo*, Named_type*, long,
Function_type*, Function_type*, Named_object**, Named_object**)
../../gcc/go/gofrontend/types.cc:1971
0x102cc0ff Type::type_functions(Gogo*, Named_type*, Function_type*,
Function_type*, Named_object**, Named_object**)
../../gcc/go/gofrontend/types.cc:1753
0x102d0d67 Type::type_descriptor_constructor(Gogo*, int, Named_type*, Methods
const*, bool)
../../gcc/go/gofrontend/types.cc:2308
0x102d2b37 Array_type::array_type_descriptor(Gogo*, Named_type*)
../../gcc/go/gofrontend/types.cc:6932
0x102c2a03 Type::make_type_descriptor_var(Gogo*)
../../gcc/go/gofrontend/types.cc:1237
0x102c2f4b Type::type_descriptor_pointer(Gogo*, Location)
../../gcc/go/gofrontend/types.cc:1172
0x1022353b Type_descriptor_expression::do_get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:14344
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x1021a04b Struct_construction_expression::do_get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:12572
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x1021b1fb Array_construction_expression::get_constructor(Translate_context*,
Btype*)
../../gcc/go/gofrontend/expressions.cc:12795
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x102160c7 Unary_expression::do_get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:4249
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x101f54d3 Slice_value_expression::do_get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:14729
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
0x1021a04b Struct_construction_expression::do_get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:12572
0x101f3e27 Expression::get_backend(Translate_context*)
../../gcc/go/gofrontend/expressions.cc:402
On powerpc64-linux this is while building 32-bit libgo multilib.
The command line has been:
/builddir/build/BUILD/gcc-7.0.0-20170111/obj-ppc64-redhat-linux/./gcc/gccgo
-B/builddir/build/BUILD/gcc-7.0.0-20170111/obj-ppc64-redhat-linux/./gcc/
-B/usr/ppc64-redhat-linux/bin/ -B/usr/ppc64-redhat-linux/lib/ -isystem
/usr/ppc64-redhat-linux/include -isystem /usr/ppc64-redhat-linux/sys-include
-O2 -g -m32 -I . -c -fgo-pkgpath=debug/dwarf
../../../../libgo/go/debug/dwarf/buf.go
../../../../libgo/go/debug/dwarf/class_string.go
../../../../libgo/go/debug/dwarf/const.go
../../../../libgo/go/debug/dwarf/entry.go
../../../../libgo/go/debug/dwarf/line.go
../../../../libgo/go/debug/dwarf/open.go
../../../../libgo/go/debug/dwarf/type.go
../../../../libgo/go/debug/dwarf/typeunit.go
../../../../libgo/go/debug/dwarf/unit.go -fPIC -o debug/.libs/dwarf.o
On armv7hl-linux the ICE is while building the same package,
/builddir/build/BUILD/gcc-7.0.0-20170111/obj-armv7hl-redhat-linux-gnueabi/./gcc/gccgo
-B/builddir/build/BUILD/gcc-7.0.0-20170111/obj-armv7hl-redhat-linux-gnueabi/./gcc/
-B/usr/armv7hl-redhat-linux-gnueabi/bin/
-B/usr/armv7hl-redhat-linux-gnueabi/lib/ -isystem
/usr/armv7hl-redhat-linux-gnueabi/include -isystem
/usr/armv7hl-redhat-linux-gnueabi/sys-include -O2 -g -I . -c
-fgo-pkgpath=debug/dwarf ../../../libgo/go/debug/dwarf/buf.go
../../../libgo/go/debug/dwarf/class_string.go
../../../libgo/go/debug/dwarf/const.go ../../../libgo/go/debug/dwarf/entry.go
../../../libgo/go/debug/dwarf/line.go ../../../libgo/go/debug/dwarf/open.go
../../../libgo/go/debug/dwarf/type.go ../../../libgo/go/debug/dwarf/typeunit.go
../../../libgo/go/debug/dwarf/unit.go -fPIC -o debug/.libs/dwarf.o
