Launchpad has imported 8 comments from the remote bug at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61033.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2014-05-02T04:40:04+00:00 Michael Collison wrote: Created attachment 32722 Preprocssed file to reproduce bug Data flow analysis in variable tracking does not converge and causes an infinite loop with the attached file and following compile options: ./cc1plus -quiet -fpreprocessed qmltextgenerator.ii -dumpbase qmltextgenerator.ii -march=armv4t -mfloat-abi=soft -mtls-dialect=gnu -auxbase-strip x.o -g -O2 -Wformat=1 -Werror=format-security -Wall -Wextra -version -fstack-protector -fvisibility=hidden -fvisibility- inlines-hidden -fPIC --param ssp-buffer-size=4 -o qmltextgenerator.s GCC configured with --target=arm-linux-gnueabi Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/0 ------------------------------------------------------------------------ On 2014-05-02T08:17:39+00:00 Ktkachov wrote: Confirmed with arm-none-eabi as well. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/1 ------------------------------------------------------------------------ On 2014-05-07T01:31:55+00:00 Mkuvyrkov wrote: Assigned to myself as Michael does not have a GCC developer account yet. Michael is the one working on this bug. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/2 ------------------------------------------------------------------------ On 2014-08-04T15:42:04+00:00 Ktkachov wrote: *** Bug 62013 has been marked as a duplicate of this bug. *** Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/6 ------------------------------------------------------------------------ On 2014-08-04T15:45:17+00:00 Ktkachov wrote: Filling in some fields, this still fails on the 4.8 and 4.9 branches but works on trunk. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/7 ------------------------------------------------------------------------ On 2014-08-04T18:07:47+00:00 Cbaylis-u wrote: Created attachment 33244 Reduced test case $ arm-unknown-linux-gnueabihf-gcc -S -O2 -g reduced1.cpp Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/8 ------------------------------------------------------------------------ On 2014-08-04T18:43:39+00:00 Cbaylis-u wrote: git bisect points to r211625 as the revision which fixes/hides this bug on trunk. 2014-06-13 Richard Biener <[email protected]> * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Rewrite to propagate the VN result into all uses where possible and to remove stmts becoming dead because of that. (eliminate): Generalize stmt removal handling, remove in reverse dominator order to support proper debug stmt generation. Update stmts before removing stmts. * tree-ssa-propagate.c (propagate_tree_value): Remove bogus assert. Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/9 ------------------------------------------------------------------------ On 2014-08-04T18:55:00+00:00 Michael Collison wrote: Charlie, I still feel that the var tracking pass should be able to protect itself from an infinite loop. On 8/4/2014 11:43 AM, cbaylis at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61033 > > --- Comment #6 from cbaylis at gcc dot gnu.org --- > > git bisect points to r211625 as the revision which fixes/hides this bug on > trunk. > > 2014-06-13 Richard Biener <[email protected]> > > * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): > Rewrite to propagate the VN result into all uses where > possible and to remove stmts becoming dead because of that. > (eliminate): Generalize stmt removal handling, remove in > reverse dominator order to support proper debug stmt > generation. Update stmts before removing stmts. > * tree-ssa-propagate.c (propagate_tree_value): Remove > bogus assert. > Reply at: https://bugs.launchpad.net/ubuntu/+source/gcc-4.9/+bug/1352417/comments/10 ** Changed in: gcc Status: Unknown => Confirmed ** Changed in: gcc Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1352417 Title: [4.8/4.9 Regression] cc1plus doesn't terminate when called with -g on arm-linux-gnueabihf To manage notifications about this bug go to: https://bugs.launchpad.net/gcc/+bug/1352417/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
