https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60228
--- Comment #10 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-8 branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:1aafdd7c93226cb092b560462028394a82f404a2 commit r8-9990-g1aafdd7c93226cb092b560462028394a82f404a2 Author: Jakub Jelinek <ja...@redhat.com> Date: Fri Feb 14 12:56:42 2020 +0100 backport: re PR c++/60228 (ICE using lambda in #pragma omp declare reduction) Backported from mainline 2019-11-29 Jakub Jelinek <ja...@redhat.com> PR c++/60228 * parser.c (cp_parser_omp_declare_reduction_exprs): If processing_template_decl, wrap the combiner or initializer into EXPR_STMT. * decl.c (start_preparsed_function): Don't start a lambda scope for DECL_OMP_DECLARE_REDUCTION_P functions. (finish_function): Don't finish a lambda scope for DECL_OMP_DECLARE_REDUCTION_P functions, nor cp_fold_function them nor cp_genericize them. * mangle.c (decl_mangling_context): Look through DECL_OMP_DECLARE_REDUCTION_P functions. * semantics.c (expand_or_defer_fn_1): For DECL_OMP_DECLARE_REDUCTION_P functions, use tentative linkage, don't keep their bodies with -fkeep-inline-functions and return false at the end. * g++.dg/gomp/openmp-simd-2.C: Don't expect bodies for DECL_OMP_DECLARE_REDUCTION_P functions. * testsuite/libgomp.c++/udr-20.C: New test. * testsuite/libgomp.c++/udr-21.C: New test.
