https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68597
Bug ID: 68597
Summary: ice inin check_return_expr, at cp/typeck.c:8635
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ryan.burn at gmail dot com
Target Milestone: ---
Below code causes this stack trace when compiled with -std=c++1z when compiled
with
rnburn@localhost ~/bugs/lambda_check_return $ g++17 --version
g++ (GCC) 6.0.0 20151123 (experimental)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
main.cpp: In lambda function:
main.cpp:19:35: internal compiler error: in check_return_expr, at
cp/typeck.c:8635
return 1 / beta * (alpha - 1);
^
0x75f9dd check_return_expr(tree_node*, bool*)
../../src-fix/gcc/cp/typeck.c:8635
0x79bfae finish_return_stmt(tree_node*)
../../src-fix/gcc/cp/semantics.c:867
0x73a6dd cp_parser_jump_statement
../../src-fix/gcc/cp/parser.c:11414
0x73a6dd cp_parser_statement
../../src-fix/gcc/cp/parser.c:10035
0x74239f cp_parser_implicitly_scoped_statement
../../src-fix/gcc/cp/parser.c:11527
0x73aab1 cp_parser_selection_statement
../../src-fix/gcc/cp/parser.c:10555
0x73aab1 cp_parser_statement
../../src-fix/gcc/cp/parser.c:10010
0x74239f cp_parser_implicitly_scoped_statement
../../src-fix/gcc/cp/parser.c:11527
0x73aab1 cp_parser_selection_statement
../../src-fix/gcc/cp/parser.c:10555
0x73aab1 cp_parser_statement
../../src-fix/gcc/cp/parser.c:10010
0x73ae41 cp_parser_statement_seq_opt
../../src-fix/gcc/cp/parser.c:10426
0x741662 cp_parser_lambda_body
../../src-fix/gcc/cp/parser.c:9894
0x741662 cp_parser_lambda_expression
../../src-fix/gcc/cp/parser.c:9378
0x70f887 cp_parser_primary_expression
../../src-fix/gcc/cp/parser.c:4753
0x71b523 cp_parser_postfix_expression
../../src-fix/gcc/cp/parser.c:6444
0x7199f9 cp_parser_unary_expression
../../src-fix/gcc/cp/parser.c:7688
0x724059 cp_parser_binary_expression
../../src-fix/gcc/cp/parser.c:8441
0x7248bf cp_parser_assignment_expression
../../src-fix/gcc/cp/parser.c:8712
0x724d35 cp_parser_constant_expression
../../src-fix/gcc/cp/parser.c:8964
0x73c4e7 cp_parser_init_declarator
../../src-fix/gcc/cp/parser.c:18147
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.
/////////////////////////////////////////////////////////////////////
#include <cmath>
auto make_test_objective3(double beta, double l, int& evaluation_counter) {
auto phi0 = [=](double alpha) {
if (alpha <= 1-beta)
return 1-alpha;
else if (alpha >= 1+beta)
return alpha-1;
else
return 1 / (2*beta)*std::pow(alpha-1,2)+beta/2;
};
auto phi0_prime = [=](double alpha) {
if (alpha <= 1-beta)
return -1;
else if (alpha >= 1+beta)
return 1;
else
return 1 / beta * (alpha - 1);
};
}
int main() {
return 0;
}
/////////////////////////////////////////////////////////////////////
