https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98926
--- Comment #3 from seurer at gcc dot gnu.org ---
This appears to be happening on powerpc64 BE.
More ICEs and a traceback:
g:6e0a231a4aa2407bb7167daf98a37795a67364d8, r11-7011
make -k check-gcc RUNTESTFLAGS="dg-torture.exp=g++.dg/torture/pr94582.C"
FAIL: g++.dg/torture/pr94582.C -O0 (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O0 (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O1 (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O1 (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O2 (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O2 (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O3 -g (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O3 -g (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -Os (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -Os (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O2 -flto -fno-use-linker-plugin
-flto-partition=none (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O2 -flto -fno-use-linker-plugin
-flto-partition=none (test for excess errors)
FAIL: g++.dg/torture/pr94582.C -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (internal compiler error)
FAIL: g++.dg/torture/pr94582.C -O2 -flto -fuse-linker-plugin
-fno-fat-lto-objects (test for excess errors)
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/torture/pr94582.C:12:9:
internal compiler error: in hashtab_chk_error, at hash-table.c:137
0x102b63b3 hashtab_chk_error()
/home/seurer/gcc/git/gcc-test/gcc/hash-table.c:137
0x10645307 hash_table<spec_hasher, false, xcallocator>::verify(spec_entry*
const&, unsigned int)
/home/seurer/gcc/git/gcc-test/gcc/hash-table.h:1033
0x10645503 hash_table<spec_hasher, false,
xcallocator>::find_with_hash(spec_entry* const&, unsigned int)
/home/seurer/gcc/git/gcc-test/gcc/hash-table.h:918
0x105f9433 lookup_template_class_1
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:9869
0x105f9433 lookup_template_class(tree_node*, tree_node*, tree_node*,
tree_node*, int, int)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:10231
0x105fcdf3 tsubst_aggr_type
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:13548
0x105e0a4b tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:15988
0x105fee13 tsubst_decl
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:14768
0x105e099b tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:15368
0x1062a3f7 instantiate_template_1
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21040
0x1062a3f7 instantiate_template(tree_node*, tree_node*, int)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21099
0x105e1073 instantiate_alias_template
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21137
0x105e1073 tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:15395
0x105fee13 tsubst_decl
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:14768
0x105e099b tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:15368
0x1062a3f7 instantiate_template_1
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21040
0x1062a3f7 instantiate_template(tree_node*, tree_node*, int)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21099
0x105e1073 instantiate_alias_template
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:21137
0x105e1073 tsubst(tree_node*, tree_node*, int, tree_node*)
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:15395
0x105fee13 tsubst_decl
/home/seurer/gcc/git/gcc-test/gcc/cp/pt.c:14768
