http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52120
Bug #: 52120 Summary: [Ada] Compiler assertion in iterator Classification: Unclassified Product: gcc Version: 4.6.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada AssignedTo: unassig...@gcc.gnu.org ReportedBy: g...@davidb.org Created attachment 26570 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26570 bug sources in gnatchop format gcc-4.6 -c -gnat12 heap_sieve.adb +===========================GNAT BUG DETECTED==============================+ | 4.6.2 (x86_64-pc-linux-gnu) Assert_Failure sinfo.adb:1072 | | Error detected at heap_sieve.adb:83:30 | | 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-4.6 or gnatmake command that you entered. | | Also include sources listed below in gnatchop format | | (concatenated together with no headers between files). | +==========================================================================+ Code is attached. Seems to be provoked by the for Step of ... construct. The commented out code after it works as a workaround. apt-cache show gnat-4.6 Package: gnat-4.6 Version: 4.6.2-3 (Debian Testing, amd64)