[Bug c++/66585] New: Internal compiler error when initialize field with lambda

[Bug c++/66585] New: Internal compiler error when initialize field with lambda

[farmaazon at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66585

            Bug ID: 66585
           Summary: Internal compiler error when initialize field with
                    lambda
           Product: gcc
           Version: 5.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: farmaazon at gmail dot com
  Target Milestone: ---

Created attachment 35799
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35799&action=edit
this code cause internal compiler error

I compile attached file using command:

g++ --std=c++11 bug.cpp -save-temps -v

and get following output:

Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /build/gcc-multilib/src/gcc-5-20150519/configure --prefix=/usr
--libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/
--enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared
--enable-threads=posix --enable-libmpx --with-system-zlib --with-isl
--enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu
--disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object
--enable-linker-build-id --enable-lto --enable-plugin
--enable-install-libiberty --with-linker-hash-style=gnu
--enable-gnu-indirect-function --enable-multilib --disable-werror
--enable-checking=release --with-default-libstdcxx-abi=c++98
Thread model: posix
gcc version 5.1.0 (GCC) 
COLLECT_GCC_OPTIONS='-std=c++11' '-save-temps' '-v' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
 /usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/cc1plus -E -quiet -v -D_GNU_SOURCE
bug.cpp -mtune=generic -march=x86-64 -std=c++11 -fpch-preprocess -o bug.ii
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/../../../../include/c++/5.1.0

/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/../../../../include/c++/5.1.0/x86_64-unknown-linux-gnu

/usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/../../../../include/c++/5.1.0/backward
 /usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/include
 /usr/local/include
 /usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-std=c++11' '-save-temps' '-v' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
 /usr/lib/gcc/x86_64-unknown-linux-gnu/5.1.0/cc1plus -fpreprocessed bug.ii
-quiet -dumpbase bug.cpp -mtune=generic -march=x86-64 -auxbase bug -std=c++11
-version -o bug.s
GNU C++11 (GCC) version 5.1.0 (x86_64-unknown-linux-gnu)
        compiled by GNU C version 5.1.0, GMP version 6.0.0, MPFR version
3.1.2-p11, MPC version 1.0.3
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++11 (GCC) version 5.1.0 (x86_64-unknown-linux-gnu)
        compiled by GNU C version 5.1.0, GMP version 6.0.0, MPFR version
3.1.2-p11, MPC version 1.0.3
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 2502e86cc323bb15ad071f82f9632779
bug.cpp: In instantiation of ‘someClass<T>::<lambda(T)> [with T = int]’:
bug.cpp:8:4:   required from ‘struct someClass<int>::<lambda(int)>’
bug.cpp:16:17:   required from here
bug.cpp:8:9: internal compiler error: Segmentation fault
   [](T x)
         ^
>From gcc-bugs-return-489289-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Jun 18 10:19:48 2015
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Subject: [Bug target/66554] [4.9 Regression] ICE (in expand_fix, at optabs.c:5365) on aarch64-linux-gnu
Date: Thu, 18 Jun 2015 10:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66554

--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Indeed:

> ./cc1plus  -quiet t.ii -O3 -I include
t.ii: In function ‘void fn1()’:
t.ii:3:6: error: invalid types in conversion to integer
 void fn1() {
      ^
vector(4) signed int
vector(4) unsigned int
vect__13.24_98 = (vector(4) signed int) vect_c.21_94;

Jakub, isn't this just PR66233?
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From: "ienkovich at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/66569] [CHKP] internal compiler error: in assign_by_spills
Date: Thu, 18 Jun 2015 10:19:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf569

--- Comment #1 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Thu Jun 18 10:18:48 2015
New Revision: 224602

URL: https://gcc.gnu.org/viewcvs?rev"4602&root=gcc&view=rev
Log:
gcc/

        PR target/66569
        * function.c (assign_bounds): Add arguments assign_regs,
        assign_special, assign_bt.
        (assign_parms): For vararg functions handle bounds in BT
        and special slots after incoming vararg bounds.

gcc/testsuite/

        PR target/66569
        * gcc.target/i386/mpx/chkp-vararg.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/mpx/pr66569.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/testsuite/ChangeLog

[Bug c++/66585] Internal compiler error when initialize field with lambda

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66585

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-06-18
                 CC|                            |trippels at gcc dot gnu.org
      Known to work|                            |4.9.2
     Ever confirmed|0                           |1
      Known to fail|                            |5.0, 6.0

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat bug.ii
class A {
  template <typename, typename> using _Requires = int;

public:
  template <typename _Functor, typename = _Requires<_Functor, void>>
  A(_Functor);
};
template <class T> class B {
  A f = [](T) {};
};

B<int> a;

markus@x4 tmp % g++ -c --std=c++11 bug.ii
bug.ii: In instantiation of ‘B<T>::<lambda(T)> [with T = int]’:
bug.ii:9:10:   required from ‘struct B<int>::<lambda(int)>’
bug.ii:12:8:   required from here
bug.ii:9:13: internal compiler error: Segmentation fault
   A f = [](T) {};
             ^
0xccc84f crash_signal
        ../../gcc/gcc/toplev.c:369
0x62adea contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
        ../../gcc/gcc/tree.h:2971
0x62adea instantiate_decl(tree_node*, int, bool)
        ../../gcc/gcc/cp/pt.c:20496
0x66a9fc instantiate_class_template_1
        ../../gcc/gcc/cp/pt.c:9647
0x66a9fc instantiate_class_template(tree_node*)
        ../../gcc/gcc/cp/pt.c:9715
0x707c2b complete_type(tree_node*)
        ../../gcc/gcc/cp/typeck.c:140
0x6445bf tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
        ../../gcc/gcc/cp/pt.c:15743
0x731c98 get_nsdmi(tree_node*, bool)
        ../../gcc/gcc/cp/init.c:558
0x740fca walk_field_subobs
        ../../gcc/gcc/cp/method.c:1213
0x741ae4 synthesized_method_walk
        ../../gcc/gcc/cp/method.c:1539
0x745c3a get_defaulted_eh_spec(tree_node*)
        ../../gcc/gcc/cp/method.c:1570
0x6530eb maybe_instantiate_noexcept(tree_node*)
        ../../gcc/gcc/cp/pt.c:20111
0x6adeda mark_used(tree_node*, int)
        ../../gcc/gcc/cp/decl2.c:4991
0x5c6a80 build_over_call
        ../../gcc/gcc/cp/call.c:7496
0x5d1a8e build_new_method_call_1
        ../../gcc/gcc/cp/call.c:8212
0x5d1a8e build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
        ../../gcc/gcc/cp/call.c:8282
0x5d2a49 build_special_member_call(tree_node*, tree_node*, vec<tree_node*,
va_gc, vl_embed>**, tree_node*, int, int)
        ../../gcc/gcc/cp/call.c:7822
0x736338 expand_default_init
        ../../gcc/gcc/cp/init.c:1728
0x736338 expand_aggr_init_1
        ../../gcc/gcc/cp/init.c:1829
0x737034 build_aggr_init(tree_node*, tree_node*, int, int)
        ../../gcc/gcc/cp/init.c:1578
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
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To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/66584] gcc differs in static, branch-prediction cost from icc in switch.
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf584

--- Comment #1 from Jason McG <jmcguiness at liquidcapital dot com> ---
(In reply to Jason McG from comment #0)

I got my static bp summaries wrong, corrected:

> void foo(int i) {
>   switch(i) {
>   case 1:
    bar1(); // gcc: less likely (same as default) | icc: most likely
>     break;
>   case 2:
    bar2(); // gcc: most likely | icc: less likely
>     break;
>   default:
    bar3(); // gcc: less likely (same as case 1) | icc: least likely
>   }
> }

[Bug c++/66585] [5/6 Regression] Internal compiler error when initialize field with lambda

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66585

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
r210624.

[Bug c++/66585] [5/6 Regression] Internal compiler error when initialize field with lambda

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66585

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Fri Jun 19 18:37:41 2015
New Revision: 224684

URL: https://gcc.gnu.org/viewcvs?rev=224684&root=gcc&view=rev
Log:
        PR c++/66585
        * pt.c (instantiate_class_template_1): Clear
        cp_unevaluated_operand and c_inhibit_evaluation_warnings.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nsdmi8.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/pt.c

[Bug c++/66585] [5/6 Regression] Internal compiler error when initialize field with lambda

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66585

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
fixed.