[Bug bootstrap/86739] New: [9 Regression] Bootstrap broken with host GCC 4.1.2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86739

            Bug ID: 86739
           Summary: [9 Regression] Bootstrap broken with host GCC 4.1.2
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

Seen on x86_64-linux and ia64-linux.

g++ -std=gnu++98 -c   -g -DIN_GCC    -fno-strict-aliasing -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wwrite-strings -Wcast-qual
-Wno-format -Wmissing-format-attribute -Woverloaded-virtual   -DHAVE_CONFIG_H
-DGENERATOR_FILE -fno-PIE -I. -Ibuild -I/gcc/spec/sb-vangelis-head-64/gcc/gcc
-I/gcc/spec/sb-vangelis-head-64/gcc/gcc/build
-I/gcc/spec/sb-vangelis-head-64/gcc/gcc/../include 
-I/gcc/spec/sb-vangelis-head-64/gcc/gcc/../libcpp/include  \
                -o build/vec.o /gcc/spec/sb-vangelis-head-64/gcc/gcc/vec.c
/usr/include/c++/4.1.2/bits/stl_pair.h: In instantiation of
'std::pair<mem_location* const&, vec_usage*&>':
/gcc/spec/sb-vangelis-head-64/gcc/gcc/mem-stats.h:597:   instantiated from
'typename mem_alloc_description<T>::mem_list_t*
mem_alloc_description<T>::get_list(mem_alloc_origin, unsigned int*, int
(*)(const void*, const void*)) [with T = vec_usage]'
/gcc/spec/sb-vangelis-head-64/gcc/gcc/mem-stats.h:637:   instantiated from
'void mem_alloc_description<T>::dump(mem_alloc_origin, int (*)(const void*,
const void*)) [with T = vec_usage]'
/gcc/spec/sb-vangelis-head-64/gcc/gcc/vec.c:175:   instantiated from here
/usr/include/c++/4.1.2/bits/stl_pair.h:84: error: forming reference to
reference type 'vec_usage*&'
/gcc/spec/sb-vangelis-head-64/gcc/gcc/hash-map.h: In member function
'std::pair<const typename Traits::key_type&, Value&> hash_map<
<template-parameter-1-1>, <template-parameter-1-2>, <template-parameter-1-3>
>::iterator::operator*() [with KeyId =
mem_alloc_description<vec_usage>::mem_location_hash, Value = vec_usage*, Traits
=
simple_hashmap_traits<default_hash_traits<mem_alloc_description<vec_usage>::mem_location_hash>,
vec_usage*>]':
/gcc/spec/sb-vangelis-head-64/gcc/gcc/mem-stats.h:597:   instantiated from
'typename mem_alloc_description<T>::mem_list_t*
mem_alloc_description<T>::get_list(mem_alloc_origin, unsigned int*, int
(*)(const void*, const void*)) [with T = vec_usage]'
/gcc/spec/sb-vangelis-head-64/gcc/gcc/mem-stats.h:637:   instantiated from
'void mem_alloc_description<T>::dump(mem_alloc_origin, int (*)(const void*,
const void*)) [with T = vec_usage]'
/gcc/spec/sb-vangelis-head-64/gcc/gcc/vec.c:175:   instantiated from here
/gcc/spec/sb-vangelis-head-64/gcc/gcc/hash-map.h:229: error: no matching
function for call to 'std::pair<mem_location* const&,
vec_usage*&>::pair(mem_location*&, vec_usage*&)'
/usr/include/c++/4.1.2/bits/stl_pair.h:80: note: candidates are: std::pair<_T1,
_T2>::pair() [with _T1 = mem_location* const&, _T2 = vec_usage*&]
/usr/include/c++/4.1.2/bits/stl_pair.h:69: note:                
std::pair<mem_location* const&, vec_usage*&>::pair(const
std::pair<mem_location* const&, vec_usage*&>&)
make[3]: *** [build/vec.o] Error 1