[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 --- Comment #7 from Jason Merrill jason at gcc dot gnu.org 2012-04-17 14:11:04 UTC --- Author: jason Date: Tue Apr 17 14:10:54 2012 New Revision: 186531 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=186531 Log: PR c++/50303 * pt.c (tsubst_pack_expansion): Use tsubst_expr for template template parameters. Added: branches/gcc-4_7-branch/gcc/testsuite/g++.dg/cpp0x/variadic128.C Modified: branches/gcc-4_7-branch/gcc/cp/ChangeLog branches/gcc-4_7-branch/gcc/cp/pt.c branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 Jason Merrill jason at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED Target Milestone|--- |4.7.1 --- Comment #8 from Jason Merrill jason at gcc dot gnu.org 2012-04-17 15:28:08 UTC --- Fixed for 4.7.1.
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 Jason Merrill jason at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |jason at gcc dot gnu.org |gnu.org |
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 --- Comment #6 from Jason Merrill jason at gcc dot gnu.org 2012-04-17 02:29:32 UTC --- Author: jason Date: Tue Apr 17 02:29:27 2012 New Revision: 186519 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=186519 Log: PR c++/50303 * pt.c (tsubst_pack_expansion): Use tsubst_expr for template template parameters. Added: trunk/gcc/testsuite/g++.dg/cpp0x/variadic128.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c trunk/gcc/testsuite/ChangeLog
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 Markus Trippelsdorf markus at trippelsdorf dot de changed: What|Removed |Added CC||markus at trippelsdorf dot ||de --- Comment #5 from Markus Trippelsdorf markus at trippelsdorf dot de 2011-09-15 07:06:19 UTC --- Program received signal SIGSEGV, Segmentation fault. [Switching to process 30771] tsubst_template_parms (parms=0x0, args=0x777a6d98, complain=3) at ../../gcc/gcc/cp/pt.c:9507 9507 TMPL_PARMS_DEPTH (parms) TMPL_ARGS_DEPTH (args); (gdb) bt #0 tsubst_template_parms (parms=0x0, args=0x777a6d98, complain=3) at ../../gcc/gcc/cp/pt.c:9507 #1 0x004c6d9a in tsubst_decl (t=0x777a7e60, args=0x777a6d98, complain=3) at ../../gcc/gcc/cp/pt.c:9789 #2 0x004c3ce5 in tsubst (in_decl=optimized out, complain=3, args=0x777a6d98, t=0x777a7e60) at ../../gcc/gcc/cp/pt.c:10851 #3 tsubst (t=0x777a7e60, args=0x777a6d98, complain=3, in_decl=optimized out) at ../../gcc/gcc/cp/pt.c:10836 #4 0x004c821f in tsubst_pack_expansion (t=0x777afe70, args=0x777a6f78, complain=3, in_decl=0x777a7f18) at ../../gcc/gcc/cp/pt.c:9298 #5 0x004c656b in tsubst_template_args (t=0x777a6ac8, args=0x777a6d98, complain=3, in_decl=0x777a7f18) at ../../gcc/gcc/cp/pt.c:9400 #6 0x004c1e46 in tsubst_copy_and_build (t=0x77fd9a50, args=0x777a6d98, complain=3, in_decl=0x777a7f18, function_p=1 '\001', integral_constant_expression_p=optimized out) at ../../gcc/gcc/cp/pt.c:13035 #7 0x004c1c9e in tsubst_copy_and_build (t=0x777bd038, args=0x777a6d98, complain=3, in_decl=0x777a7f18, function_p=0 '\000', integral_constant_expression_p=0 '\000') at ../../gcc/gcc/cp/pt.c:13390 #8 0x004bd239 in tsubst_expr (t=0x777bd038, args=0x777a6d98, complain=3, in_decl=0x777a7f18, integral_constant_expression_p=0 '\000') at ../../gcc/gcc/cp/pt.c:12935 #9 0x004bdc70 in tsubst_expr (t=0x777a6b40, args=0x777a6d98, complain=3, in_decl=0x777a7f18, integral_constant_expression_p=0 '\000') at ../../gcc/gcc/cp/pt.c:12467 #10 0x004bd2b1 in tsubst_expr (t=0x777bd000, args=0x777a6d98, complain=3, in_decl=0x777a7f18, integral_constant_expression_p=0 '\000') at ../../gcc/gcc/cp/pt.c:12632 #11 0x004d0ccc in instantiate_decl (d=0x777aee00, defer_ok=optimized out, expl_inst_class_mem_p=optimized out) at ../../gcc/gcc/cp/pt.c:18305 #12 0x004d34dc in instantiate_pending_templates (retries=optimized out) at ../../gcc/gcc/cp/pt.c:18402 #13 0x004e8a4d in cp_write_global_declarations () at ../../gcc/gcc/cp/decl2.c:3713 #14 0x007f11c2 in compile_file () at ../../gcc/gcc/toplev.c:564 #15 do_compile () at ../../gcc/gcc/toplev.c:1886 #16 toplev_main (argc=13, argv=0x7fffdf28) at ../../gcc/gcc/toplev.c:1962 #17 0x77b81f82 in __libc_start_main (main=0x5a11b0 main, argc=13, ubp_av=0x7fffdf28, init=optimized out, fini=optimized out, rtld_fini=optimized out, stack_end=0x7fffdf18) at libc-start.c:226 #18 0x0048cf89 in _start () at ../sysdeps/x86_64/elf/start.S:113 (gdb)
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 --- Comment #1 from Paolo Carlini paolo.carlini at oracle dot com 2011-09-14 20:59:20 UTC --- Can you try reducing your testcase? 563 KB is definitely unmanageable.
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 Andrea Arteaga andyspiros at gmail dot com changed: What|Removed |Added Attachment #25203|0 |1 is obsolete|| --- Comment #2 from Andrea Arteaga andyspiros at gmail dot com 2011-09-14 22:46:19 UTC --- Created attachment 25275 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25275 Not-preprocessed source As requested, I attach a minimal source code with some comments. There are no external dependencies, just iostream gets #included. The compilation result is the same as already stated (segmentation fault during compilation).
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303 --- Comment #3 from Andrea Arteaga andyspiros at gmail dot com 2011-09-14 22:47:56 UTC --- I recently blogged about this issue: http://wp.me/pzWEm-9N.
[Bug c++/50303] [C++0x] Segfault with variadic template template parameters
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50303
Paolo Carlini paolo.carlini at oracle dot com changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed||2011-09-14
CC||jason at gcc dot gnu.org
Ever Confirmed|0 |1
--- Comment #4 from Paolo Carlini paolo.carlini at oracle dot com 2011-09-14
23:11:11 UTC ---
Ah, ok, the below seems enough:
templatetypename Interface
struct A1 {
};
templatetemplateclass I class... Actions
void g2() {
g2Actions...();
}
int main()
{
g2A1();
}
