http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47193
Summary: [4.6 Regression] ICE: in function_and_variable_visibility, at ipa.c:857 with static var weakref'd to other weakref'd static var Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz CC: hubi...@gcc.gnu.org Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu ----- testcase.c ----- static int i __attribute__ ((weakref ("j"))); static int j __attribute__ ((weakref ("k"))); ---------------------- (reduced from gcc.dg/attr-weakref-1.c) PR47190 was reduced from the same testcase, but ended in different ICE. Compiler output: $ gcc testcase.c testcase.c:2:1: internal compiler error: in function_and_variable_visibility, at ipa.c:857 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. (gdb) bt #0 fancy_abort (file=0x11b8518 "/usr/portage/distfiles/svn-src/gcc/trunk/gcc/ipa.c", line=857, function=0x11b86e0 "function_and_variable_visibility") at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/diagnostic.c:892 #1 0x0000000000b1c6b2 in function_and_variable_visibility (whole_program=0 '\000') at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/ipa.c:857 #2 0x0000000000b1c93d in whole_program_function_and_variable_visibility () at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/ipa.c:1047 #3 0x00000000007f1e56 in execute_one_pass (pass=0x163cc60) at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/passes.c:1553 #4 0x00000000007f258a in execute_ipa_pass_list (pass=0x163cc60) at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/passes.c:1920 #5 0x0000000000af9e04 in ipa_passes () at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/cgraphunit.c:1759 #6 cgraph_optimize () at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/cgraphunit.c:1794 #7 0x0000000000af9fda in cgraph_finalize_compilation_unit () at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/cgraphunit.c:1042 #8 0x0000000000509d6c in c_write_global_declarations () at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/c-decl.c:9843 #9 0x00000000008db9e6 in compile_file (argc=12, argv=0x7fffffffdae8) at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/toplev.c:591 #10 do_compile (argc=12, argv=0x7fffffffdae8) at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/toplev.c:1874 #11 toplev_main (argc=12, argv=0x7fffffffdae8) at /usr/portage/distfiles/svn-src/gcc/trunk/gcc/toplev.c:1937 #12 0x00007ffff6586bbd in __libc_start_main () from /lib/libc.so.6 #13 0x00000000004f0955 in _start () Tested revisions: r168535 - crash r165699 - OK 4.5 r168062 - OK