d4e0bdbc03
This is an ICE on invalid where we crash because since r269032 we keep error_mark_node around instead of using noexcept_false_spec when things go wrong; see the walk_field_subobs hunk. We crash in deduce_inheriting_ctor which calls synthesized_method_walk to deduce the exception-specification, but fails to do so in this case, because the testcase is invalid so get_nsdmi returns error_mark_node for the member 'c', and per r269032 the error_mark_node propagates back to deduce_inheriting_ctor which subsequently calls build_exception_variant whereon we crash. I think we should return early if the deduction fails and I decided to call mark_used to get an error right away instead of hoping that it would get called later. My worry is that we could forget that there was an error and think that we just deduced noexcept(false). And then I noticed that the test still crashes in C++98. Here again we failed to deduce the exception-specification in implicitly_declare_fn, but nothing reported an error between synthesized_method_walk and the assert. Well, not much we can do except calling synthesized_method_walk again, this time in the verbose mode and making sure that we did get an error. gcc/cp/ChangeLog: PR c++/94751 * call.c (build_over_call): Maybe call mark_used in case deduce_inheriting_ctor fails and return error_mark_node. * cp-tree.h (deduce_inheriting_ctor): Adjust declaration. * method.c (deduce_inheriting_ctor): Return bool if the deduction fails. (implicitly_declare_fn): If raises is error_mark_node, call synthesized_method_walk with diag being true. gcc/testsuite/ChangeLog: PR c++/94751 * g++.dg/cpp0x/inh-ctor37.C: New test. |
||
|---|---|---|
| c++tools | ||
| config | ||
| contrib | ||
| fixincludes | ||
| gcc | ||
| gnattools | ||
| gotools | ||
| include | ||
| INSTALL | ||
| intl | ||
| libada | ||
| libatomic | ||
| libbacktrace | ||
| libcc1 | ||
| libcody | ||
| libcpp | ||
| libdecnumber | ||
| libffi | ||
| libgcc | ||
| libgfortran | ||
| libgo | ||
| libgomp | ||
| libhsail-rt | ||
| libiberty | ||
| libitm | ||
| libobjc | ||
| liboffloadmic | ||
| libphobos | ||
| libquadmath | ||
| libsanitizer | ||
| libssp | ||
| libstdc++-v3 | ||
| libvtv | ||
| lto-plugin | ||
| maintainer-scripts | ||
| zlib | ||
| .dir-locals.el | ||
| .gitattributes | ||
| .gitignore | ||
| ABOUT-NLS | ||
| ar-lib | ||
| ChangeLog | ||
| ChangeLog.jit | ||
| ChangeLog.tree-ssa | ||
| compile | ||
| config-ml.in | ||
| config.guess | ||
| config.rpath | ||
| config.sub | ||
| configure | ||
| configure.ac | ||
| COPYING | ||
| COPYING3 | ||
| COPYING3.LIB | ||
| COPYING.LIB | ||
| COPYING.RUNTIME | ||
| depcomp | ||
| install-sh | ||
| libtool-ldflags | ||
| libtool.m4 | ||
| lt~obsolete.m4 | ||
| ltgcc.m4 | ||
| ltmain.sh | ||
| ltoptions.m4 | ||
| ltsugar.m4 | ||
| ltversion.m4 | ||
| MAINTAINERS | ||
| Makefile.def | ||
| Makefile.in | ||
| Makefile.tpl | ||
| missing | ||
| mkdep | ||
| mkinstalldirs | ||
| move-if-change | ||
| multilib.am | ||
| README | ||
| symlink-tree | ||
| test-driver | ||
| ylwrap | ||
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.