[Bug target/81229] New: ICE in c_tree_chain_next on aarch64

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81229

            Bug ID: 81229
           Summary: ICE in c_tree_chain_next on aarch64
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

It's probably GCC 8 regression:

$ aarch64-linux-gnu-g++ gcc/gcc/testsuite/g++.dg/ext/attrib48.C --param
ggc-min-heapsize=0
/gcc/testsuite/g++.dg/ext/attrib48.C:6:4: internal compiler error: Segmentation
fault
 L l;
    ^
0xd4595f crash_signal
        .././../gcc/toplev.c:338
0x7fb7c5 c_tree_chain_next
        .././../gcc/c-family/c-common.h:1313
0x7fb7c5 gt_ggc_mx_lang_tree_node(void*)
        ./gt-cp-tree.h:139
0x7fd75e gt_ggc_mx_lang_tree_node(void*)
        ./gt-cp-tree.h:469
0x7fbf64 gt_ggc_mx_lang_tree_node(void*)
        ./gt-cp-tree.h:635
0x7fdc35 gt_ggc_mx_lang_tree_node(void*)
        ./gt-cp-tree.h:341
0xaf6457 gt_ggc_mx_symtab_node(void*)
       
/home/marxin/BIG/buildbot/slave/gcc-master-build-aarch64-weekend/build/builddir/gcc/gtype-desc.c:1812
0xaf6c5a gt_ggc_mx_symbol_table(void*)
       
/home/marxin/BIG/buildbot/slave/gcc-master-build-aarch64-weekend/build/builddir/gcc/gtype-desc.c:2671
0xa865d5 ggc_mark_root_tab
        .././../gcc/ggc-common.c:77
0xa86840 ggc_mark_roots()
        .././../gcc/ggc-common.c:94
0x8bcc87 ggc_collect()
        .././../gcc/ggc-page.c:2206
0x69aac5 c_parse_final_cleanups()
        .././../gcc/cp/decl2.c:4522