* [Bug c++/67247] ICE on std::forward args&& inside nested lambda function
2015-08-17 10:43 [Bug c++/67247] New: ICE on std::forward args&& inside nested lambda function tower120 at gmail dot com
@ 2015-08-17 11:03 ` trippels at gcc dot gnu.org
2015-08-19 9:29 ` mpolacek at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-08-17 11:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67247
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-08-17
CC| |trippels at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
markus@x4 tmp % cat la.ii
template <typename _Tp> _Tp forward (int);
template <class F1, class F2>
auto
operator>> (F1, F2 f2)
{
return f2 (0);
}
template <class F1, class F2>
decltype (0)
operator<< (F1 f1, F2)
{
f1 (0);
}
auto divide (int, int)
{
0 >> [](auto... args1)
{
return [&](auto... args2)
{
divide (forward<decltype (args1)> (args1)..., args2...);
};
} << 0;
}
markus@x4 tmp % g++ -c la.ii
la.ii: In instantiation of ‘divide(int, int)::<lambda(auto:1
...)>::<lambda(auto:2 ...)> [with auto:2 = {int}; auto:1 = {int}]’:
la.ii:13:6: required from ‘int operator<<(F1, F2) [with F1 = divide(int,
int)::<lambda(auto:1 ...)> [with auto:1 = {int}]::<lambda(auto:2 ...)>; F2 =
int]’
la.ii:24:8: required from here
la.ii:22:14: internal compiler error: Segmentation fault
divide (forward<decltype (args1)> (args1)..., args2...);
^
0xc795ef crash_signal
../../gcc/gcc/toplev.c:352
0x7f7dae93e70f ???
/var/tmp/glibc/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x5c1525 resolve_args
../../gcc/gcc/cp/call.c:3942
0x5d8ee9 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, bool, int)
../../gcc/gcc/cp/call.c:4052
0x7666d8 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
../../gcc/gcc/cp/semantics.c:2391
0x643032 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/gcc/cp/pt.c:15860
0x633ea8 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15029
0x632d41 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:14440
0x634b0f tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:14612
0x633103 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:14426
0x634b0f tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:14612
0x631815 instantiate_decl(tree_node*, int, bool)
../../gcc/gcc/cp/pt.c:21154
0x6b6e42 mark_used(tree_node*, int)
../../gcc/gcc/cp/decl2.c:5101
0x5c9f2a build_over_call
../../gcc/gcc/cp/call.c:7569
0x5d9cf1 build_op_call_1
../../gcc/gcc/cp/call.c:4358
0x5d9cf1 build_op_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, int)
../../gcc/gcc/cp/call.c:4381
0x7668e8 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
../../gcc/gcc/cp/semantics.c:2408
0x643032 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../gcc/gcc/cp/pt.c:15860
0x633ea8 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:15029
0x632d41 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool)
../../gcc/gcc/cp/pt.c:14440
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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From: "yroux at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/67127] [ARM] Avoiding odd-number ldrd/strd in movdi introduced a regression on armeb-linux-gnueabihf
Date: Mon, 17 Aug 2015 11:23:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg127
--- Comment #2 from Yvan Roux <yroux at gcc dot gnu.org> ---
Author: yroux
Date: Mon Aug 17 11:22:49 2015
New Revision: 226937
URL: https://gcc.gnu.org/viewcvs?rev"6937&root=gcc&view=rev
Log:
2015-08-17 Yvan Roux <yvan.roux@linaro.org>
Backport from mainline:
2015-08-12 Yvan Roux <yvan.roux@linaro.org>
PR target/67127
* config/arm/arm.md (movdi): Restrict illegitimate ldrd/strd checking
to ARM core registers.
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/config/arm/arm.md
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