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Tasklist

FS#31098 - [llvm] Fix emitted debug information

Attached to Project: Arch Linux
Opened by Poco (poco) - Friday, 10 August 2012, 18:26 GMT
Last edited by Evangelos Foutras (foutrelis) - Friday, 10 August 2012, 21:19 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Evangelos Foutras (foutrelis)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:

LLVM 3.1 produces invalid debug information. This is known upstream, but
LLVM does not have point releases, and 3.2 could take a long time. Other
distributions also integrated the revert.

Bug is also described in:

http://llvm.org/bugs/show_bug.cgi?id=13211
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=676144

Additional info:
* package version(s) llvm 3.1-3

Steps to reproduce:

% cat > hello.c << EOF
heredoc> #include <stdio.h>
heredoc> int main (void) { puts ("Hello world!"); return 0; }
heredoc> EOF
% clang -g hello.c
% gdb ./a.out
GNU gdb (GDB) 7.4.1
...
(gdb) break main
Breakpoint 1 at 0x400584
(gdb) run
Starting program: /home/poco/a.out
Breakpoint 1, 0x0000000000400584 in main ()
(gdb) next
Single stepping until exit from function main,
which has no line number information.

   PKGBUILD (8.1 KiB)
   llvm-3.1-fix_debug_line_info.... (2.6 KiB)
This task depends upon

Closed by  Evangelos Foutras (foutrelis)
Friday, 10 August 2012, 21:19 GMT
Reason for closing:  Fixed
Additional comments about closing:  Patch applied in llvm-3.1-4. Thanks!

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