https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96805
Bug ID: 96805
Summary: ICE: Segmentation fault in instantiate_template /
pop_nested_class()
Product: gcc
Version: 10.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marc.mutz at kdab dot com
Target Milestone: ---
Created attachment 49134
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49134&action=edit
BZ2-compressed preprocessed source
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96732 looks similar, but this is
on 10.2, not 11...
$ g++ -E -pipe -O2 -fPIC -std=c++2a -fvisibility=hidden
-fvisibility-inlines-hidden -ffunction-sections -fdata-sections -fno-exceptions
-Wall -Wextra -Wvla -Wdate-time -Wshift-overflow=2 -Wduplicated-cond
-Wno-stringop-overflow -Wno-format-overflow -Wsuggest-override -D_REENTRANT
-DQT_NO_JAVA_STYLE_ITERATORS -DPCRE2_DISABLE_JIT -DHAVE_CONFIG_H
-DQT_VERSION_STR='"6.0.0"' -DQT_VERSION_MAJOR=6 -DQT_VERSION_MINOR=0
-DQT_VERSION_PATCH=0 -DQT_BOOTSTRAPPED -DQT_NO_CAST_TO_ASCII
-DPCRE2_CODE_UNIT_WIDTH=16 -DQT_NO_FOREACH -DQT_NO_CAST_FROM_ASCII
-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_BOOTSTRAP_LIB
-DQT_BUILDING_QT -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT
-DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS
-DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_DEPRECATED_WARNINGS_SINCE=0x060000
-DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG
-I/home/marc/Qt/qtbase/src/tools/bootstrap -I. -I/home/marc/Qt/qtbase/src/tools
-I/home/marc/Qt/qtbase/src/3rdparty/tinycbor/src
-I/home/marc/Qt/qtbase/src/3rdparty/pcre2/src -I../../../include
-I../../../include/QtCore -I../../../include/QtCore/6.0.0
-I../../../include/QtCore/6.0.0/QtCore -I../../../include/QtXml
-I../../../include/QtXml/6.0.0 -I../../../include/QtXml/6.0.0/QtXml
-I/home/marc/Qt/qtbase/mkspecs/linux-g++ -o qendian.ii
/home/marc/Qt/qtbase/src/corelib/global/qendian.cpp
../../../include/QtCore/../../../qtbase/src/corelib/tools/qarraydataops.h:102:77:
internal compiler error: Segmentation fault
102 | noexcept(std::is_nothrow_constructible_v<T,
iterator_copy_value<ForwardIt>>)
|
^~~~~~~~~
0xc2ee1f crash_signal
../../gcc/gcc/toplev.c:328
0x6280c5 pop_nested_class()
../../gcc/gcc/cp/class.c:8184
0x738747 instantiate_template_1
../../gcc/gcc/cp/pt.c:20853
0x733694 instantiate_template(tree_node*, tree_node*, int)
../../gcc/gcc/cp/pt.c:20908
0x733694 instantiate_alias_template
../../gcc/gcc/cp/pt.c:20946
0x733694 tsubst(tree_node*, tree_node*, int, tree_node*)
../../gcc/gcc/cp/pt.c:15147
0x739b0f lookup_template_class_1
../../gcc/gcc/cp/pt.c:9853
0x73a1ec lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*,
int, int)
../../gcc/gcc/cp/pt.c:10119
0x756b3d finish_template_type(tree_node*, tree_node*, int)
../../gcc/gcc/cp/semantics.c:3408
0x6fe15d cp_parser_template_id
../../gcc/gcc/cp/parser.c:16739
0x6fe3cc cp_parser_class_name
../../gcc/gcc/cp/parser.c:23713
0x6fb101 cp_parser_qualifying_entity
../../gcc/gcc/cp/parser.c:6776
0x6fb101 cp_parser_nested_name_specifier_opt
../../gcc/gcc/cp/parser.c:6458
0x702706 cp_parser_simple_type_specifier
../../gcc/gcc/cp/parser.c:18134
0x6e93ed cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:17792
0x6fc9a9 cp_parser_type_specifier_seq
../../gcc/gcc/cp/parser.c:22402
0x6f6f34 cp_parser_type_id_1
../../gcc/gcc/cp/parser.c:22219
0x6f9473 cp_parser_template_type_arg
../../gcc/gcc/cp/parser.c:22310
0x6fcb2f cp_parser_template_argument
../../gcc/gcc/cp/parser.c:17189
0x6fcb2f cp_parser_template_argument_list
../../gcc/gcc/cp/parser.c:17100
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
