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* [Bug c++/59269] New: [4.9 Regression] ICE with reference in union @ 2013-11-23 23:20 reichelt at gcc dot gnu.org 2013-11-25 9:16 ` [Bug c++/59269] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: reichelt at gcc dot gnu.org @ 2013-11-23 23:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59269 Bug ID: 59269 Summary: [4.9 Regression] ICE with reference in union Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org The following invalid code snippet (compiled with "-std=c++11") triggers an ICE on trunk: =================== union U { int& i = 0; }; void foo() { U(); } =================== bug.cc:3:12: error: 'U::i' may not have reference type 'int&' because it is a member of a union int& i = 0; ^ bug.cc:3:12: error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int' bug.cc: In function 'void foo()': bug.cc:8:5: internal compiler error: in build_value_init_noctor, at cp/init.c:385 U(); ^ 0x6bccdf build_value_init_noctor(tree_node*, int) ../../gcc/gcc/cp/init.c:385 0x6bce4c build_value_init(tree_node*, int) ../../gcc/gcc/cp/init.c:364 0x606e6b build_functional_cast(tree_node*, tree_node*, int) ../../gcc/gcc/cp/typeck2.c:1858 0x66c0b5 cp_parser_functional_cast ../../gcc/gcc/cp/parser.c:23013 0x666930 cp_parser_postfix_expression ../../gcc/gcc/cp/parser.c:5821 0x669148 cp_parser_unary_expression ../../gcc/gcc/cp/parser.c:7109 0x669ddf cp_parser_binary_expression ../../gcc/gcc/cp/parser.c:7813 0x66a2d1 cp_parser_assignment_expression ../../gcc/gcc/cp/parser.c:8051 0x66c254 cp_parser_expression ../../gcc/gcc/cp/parser.c:8213 0x66ca8e cp_parser_expression ../../gcc/gcc/cp/parser.c:8252 0x66ca8e cp_parser_expression_statement ../../gcc/gcc/cp/parser.c:9551 0x6625e8 cp_parser_statement ../../gcc/gcc/cp/parser.c:9402 0x663399 cp_parser_statement_seq_opt ../../gcc/gcc/cp/parser.c:9674 0x66350e cp_parser_compound_statement ../../gcc/gcc/cp/parser.c:9628 0x676bdb cp_parser_function_body ../../gcc/gcc/cp/parser.c:18542 0x676bdb cp_parser_ctor_initializer_opt_and_function_body ../../gcc/gcc/cp/parser.c:18578 0x67aefe cp_parser_function_definition_after_declarator ../../gcc/gcc/cp/parser.c:22610 0x67bdbd cp_parser_function_definition_from_specifiers_and_declarator ../../gcc/gcc/cp/parser.c:22522 0x67bdbd cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:16522 0x67d05f cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:11134 Please submit a full bug report, [etc.] ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/59269] [4.9 Regression] ICE with reference in union 2013-11-23 23:20 [Bug c++/59269] New: [4.9 Regression] ICE with reference in union reichelt at gcc dot gnu.org @ 2013-11-25 9:16 ` rguenth at gcc dot gnu.org 2014-01-17 11:23 ` paolo.carlini at oracle dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2013-11-25 9:16 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59269 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P5 Target Milestone|--- |4.9.0 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/59269] [4.9 Regression] ICE with reference in union 2013-11-23 23:20 [Bug c++/59269] New: [4.9 Regression] ICE with reference in union reichelt at gcc dot gnu.org 2013-11-25 9:16 ` [Bug c++/59269] " rguenth at gcc dot gnu.org @ 2014-01-17 11:23 ` paolo.carlini at oracle dot com 2014-01-17 15:40 ` paolo at gcc dot gnu.org 2014-01-17 15:43 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2014-01-17 11:23 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59269 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2014-01-17 Assignee|unassigned at gcc dot gnu.org |paolo.carlini at oracle dot com Ever confirmed|0 |1 --- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> --- Mine. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/59269] [4.9 Regression] ICE with reference in union 2013-11-23 23:20 [Bug c++/59269] New: [4.9 Regression] ICE with reference in union reichelt at gcc dot gnu.org 2013-11-25 9:16 ` [Bug c++/59269] " rguenth at gcc dot gnu.org 2014-01-17 11:23 ` paolo.carlini at oracle dot com @ 2014-01-17 15:40 ` paolo at gcc dot gnu.org 2014-01-17 15:43 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo at gcc dot gnu.org @ 2014-01-17 15:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59269 --- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> --- Author: paolo Date: Fri Jan 17 15:40:13 2014 New Revision: 206718 URL: http://gcc.gnu.org/viewcvs?rev=206718&root=gcc&view=rev Log: /cp 2014-01-17 Paolo Carlini <paolo.carlini@oracle.com> PR c++/59269 * init.c (build_value_init_noctor): Assert !TYPE_HAS_COMPLEX_DFLT only when errorcount == 0. /testsuite 2014-01-17 Paolo Carlini <paolo.carlini@oracle.com> PR c++/59269 * g++.dg/cpp0x/nsdmi-union4.C: New. Added: trunk/gcc/testsuite/g++.dg/cpp0x/nsdmi-union4.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/init.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/59269] [4.9 Regression] ICE with reference in union 2013-11-23 23:20 [Bug c++/59269] New: [4.9 Regression] ICE with reference in union reichelt at gcc dot gnu.org ` (2 preceding siblings ...) 2014-01-17 15:40 ` paolo at gcc dot gnu.org @ 2014-01-17 15:43 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2014-01-17 15:43 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59269 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED Assignee|paolo.carlini at oracle dot com |unassigned at gcc dot gnu.org --- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> --- Fixed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-01-17 15:43 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-11-23 23:20 [Bug c++/59269] New: [4.9 Regression] ICE with reference in union reichelt at gcc dot gnu.org 2013-11-25 9:16 ` [Bug c++/59269] " rguenth at gcc dot gnu.org 2014-01-17 11:23 ` paolo.carlini at oracle dot com 2014-01-17 15:40 ` paolo at gcc dot gnu.org 2014-01-17 15:43 ` paolo.carlini at oracle dot com
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