https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82144
Bug ID: 82144
Summary: ice in add_dwarf_attr with alignas
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
From the C++ testsuite, source code file ./g++.dg/cpp0x/alignas7.C
won't compile when -g is used.
$ ~/gcc/results/bin/gcc -g ./g++.dg/cpp0x/alignas7.C
./g++.dg/cpp0x/alignas7.C: In instantiation of ‘struct A<8, char>’:
./g++.dg/cpp0x/alignas7.C:13:1: required from here
./g++.dg/cpp0x/alignas7.C:7:24: internal compiler error: in add_dwarf_attr, at
dwarf2out.c:4132
enum alignas (N) E : T;
^
0xa1ff0e add_dwarf_attr
../../trunk/gcc/dwarf2out.c:4132
0xa1ff88 add_AT_unsigned
../../trunk/gcc/dwarf2out.c:4215
0xa1ff88 add_alignment_attribute
../../trunk/gcc/dwarf2out.c:20197
0xa571b7 gen_enumeration_type_die
../../trunk/gcc/dwarf2out.c:21261
$ ~/gcc/results/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/home/dcb/gcc/results/bin/gcc
COLLECT_LTO_WRAPPER=/home/dcb/gcc/results.251861/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../trunk/configure --prefix=/home/dcb/gcc/results.251861
--disable-bootstrap --disable-multilib --disable-werror
--enable-checking=df,extra,fold,rtl,yes --enable-languages=c,c++,fortran
Thread model: posix
gcc version 8.0.0 20170908 (experimental) (GCC)
The bug seems to occur between revisions 251689 and 251751
