Please disregard the unrelated change on cp/typeck.c, thanks.
On 05/18/17 17:33, Richard Biener wrote: > On May 18, 2017 5:15:43 PM GMT+02:00, Bernd Edlinger > <bernd.edlin...@hotmail.de> wrote: >> Hi, >> >> >> this attempts to fix occasional segmentation faults that are present in >> the current snapshot, while previous snapshot was stable. >> >> I observed numerous crashes but all were non-reproducible, >> like the following example: >> >> In file included from >> /home/ed/gnu/gcc-build-1/x86_64-pc-linux-gnu/libstdc++-v3/include/string:52:0, >> from >> /home/ed/gnu/gcc-8-20170514-1/gcc/testsuite/g++.dg/asan/asan_test_config.h:19, >> from >> /home/ed/gnu/gcc-8-20170514-1/gcc/testsuite/g++.dg/asan/asan_test_utils.h:17, >> from >> /home/ed/gnu/gcc-8-20170514-1/gcc/testsuite/g++.dg/asan/asan_globals_test.cc:12, >> from >> /home/ed/gnu/gcc-8-20170514-1/gcc/testsuite/g++.dg/asan/asan_globals_test-wrapper.cc:2: >> /home/ed/gnu/gcc-build-1/x86_64-pc-linux-gnu/libstdc++-v3/include/bits/basic_string.h:6277:22: >> >> internal compiler error: Segmentation fault >> 0xd7e17f crash_signal >> ../../gcc-8-20170514-1/gcc/toplev.c:337 >> 0x8f23fe ggc_set_mark(void const*) >> ../../gcc-8-20170514-1/gcc/ggc-page.c:1546 >> 0x7e6a5f gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:133 >> 0x7e8c7a gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:235 >> 0x7e8882 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:365 >> 0x81b26d gt_ggc_mx_cp_binding_level(void*) >> ./gt-cp-name-lookup.h:72 >> 0x7e6d85 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:648 >> 0x7e8ad2 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:221 >> 0x7e8eeb gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:337 >> 0x7e8a3c gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:441 >> 0x7e7304 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:606 >> 0x81b352 gt_ggc_mx_cxx_binding(void*) >> ./gt-cp-name-lookup.h:60 >> 0x7e6d85 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:648 >> 0x7e8ef5 gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:336 >> 0x7e8a3c gt_ggc_mx_lang_tree_node(void*) >> ./gt-cp-tree.h:441 >> 0xb2edbe void gt_ggc_mx<tree_node*>(vec<tree_node*, va_gc, vl_embed>*) >> ../../gcc-8-20170514-1/gcc/vec.h:1110 >> 0xb2edbe gt_ggc_mx_vec_tree_va_gc_(void*) >> /home/ed/gnu/gcc-build-1/gcc/gtype-desc.c:1737 >> 0xac59f5 ggc_mark_root_tab >> ../../gcc-8-20170514-1/gcc/ggc-common.c:77 >> 0xac5c50 ggc_mark_roots() >> ../../gcc-8-20170514-1/gcc/ggc-common.c:94 >> 0x8f2de7 ggc_collect() >> ../../gcc-8-20170514-1/gcc/ggc-page.c:2206 >> Please submit a full bug report, >> with preprocessed source if appropriate. >> Please include the complete backtrace with any bug report. >> >> >> The following patch fixes one rather suspicious static tree >> object that did not have the GTY attribute, and was therefore >> apparently not in the GC root set. >> >> >> Bootstrapped and reg-tested on x86_64-pc-linux-gnu. >> Is it OK for trunk? > > OK. > > Richard. > >> >> Thanks >> Bernd. >
