https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79542
Bug ID: 79542 Summary: [7.0 regression] GNAT bug box Product: gcc Version: 7.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada Assignee: unassigned at gcc dot gnu.org Reporter: reznikmm at gmail dot com Target Milestone: --- Created attachment 40754 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40754&action=edit package body Here is a reproducer for regression in GCC 7. The regression was found by fedora project while recompiling packages with new compiler. gcc 6, gcc 5 works fine with it. gcc version 7.0.1 20170212 (experimental) (GCC) Target: x86_64-pc-linux-gnu Configured with: /work/reznik/gcc/gcc-7-20170212/configure --enable-languages=ada,c,c++ --prefix=/work/reznik/gcc/install --disable-multilib Command line: gcc -O2 -c -g finite_automatons.adb Output: +===========================GNAT BUG DETECTED==============================+ | 7.0.1 20170212 (experimental) (x86_64-pc-linux-gnu) GCC error: | | in add_gnat_descriptive_type_attribute, at dwarf2out.c:19511 | | Error detected around finite_automatons.adb:34:8 | | Please submit a bug report; see https://gcc.gnu.org/bugs/ . | | Use a subject line meaningful to you and us to track the bug. | | Include the entire contents of this bug box in the report. | | Include the exact command that you entered. | | Also include sources listed below. | +==========================================================================+ Please include these source files with error report Note that list may not be accurate in some cases, so please double check that the problem can still be reproduced with the set of files listed. Consider also -gnatd.n switch (see debug.adb). finite_automatons.adb finite_automatons.ads raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:406