[Bug debug/46724] [4.6 Regression] Wrong debug info: Invalid variable location

[aoliva at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46724

--- Comment #13 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2011-01-19 
22:00:09 UTC ---
Author: aoliva
Date: Wed Jan 19 22:00:00 2011
New Revision: 169034

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169034
Log:
PR debug/47079
PR debug/46724
* function.c (instantiate_expr): Instantiate incoming rtl of
implicit arguments, and recurse on VALUE_EXPRs.
(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/var-tracking.c