http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48844
Summary: GNAT bug box, referring to gimplify.c, possibly to do with aliasing and discriminant Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada AssignedTo: unassig...@gcc.gnu.org ReportedBy: bauh...@futureapps.de Created attachment 24166 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24166 Source files mentioned in the bug report The following line, from function Convert below, seems to cause the bug box. (The program is fully produced from a note an how erroneous execution can undermine type safety; the original is here: http://www.enyo.de/fw/notes/ada-type-safety.html ) M := (Sel => Source_Field, S => (S => S)); --! $ gnatchop -r -w conv.ada && gnatmake convert_test splitting conv.ada into: conversion.ads convert_test.adb conversion.adb gcc -c convert_test.adb +===========================GNAT BUG DETECTED==============================+ | 4.7.0 20110411 (experimental) (i686-pc-linux-gnu) GCC error: | | in create_tmp_var, at gimplify.c:465 | | Error detected around /usr/local/lib/gcc/i686-pc-linux-gnu/4.7.0/adainclude/s-addima.ads:17:13| | Please submit a bug report; see http://gcc.gnu.org/bugs.html. | | 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 gcc or gnatmake command that you entered. | | Also include sources listed below in gnatchop format | | (concatenated together with no headers between files). | +==========================================================================+ 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). convert_test.adb conversion.ads conversion.adb raised TYPES.UNRECOVERABLE_ERROR : comperr.adb:423 gnatmake: "convert_test.adb" compilation error