https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35361
Jeffrey A. Law <law at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |law at redhat dot com Resolution|--- |FIXED --- Comment #2 from Jeffrey A. Law <law at redhat dot com> --- This was fixed a couple years ago: Author: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Fri May 16 17:49:06 2014 +0000 * varpool.c (dump_varpool_node): Dump write-only flag. * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Stream write-only flag. * tree-cfg.c (execute_fixup_cfg): Remove statements setting write-only variables. * gcc.c-torture/execute/20101011-1.c: Update testcase. * gcc.dg/ira-shrinkwrap-prep-1.c: Update testcase. * gcc.dg/tree-ssa/writeonly.c: New testcase. * gcc.dg/tree-ssa/ssa-dse-6.c: Update testcase. * gcc.dg/tree-ssa/pr21559.c: Update testcase. * gcc.dg/debug/pr35154.c: Update testcase. * gcc.target/i386/vectorize1.c: Update testcase. * ipa.c (process_references): New function. (set_readonly_bit): New function. (set_writeonly_bit): New function. (clear_addressable_bit): New function. (ipa_discover_readonly_nonaddressable_var): Mark write only variables; fix handling of aliases. * cgraph.h (struct varpool_node): Add writeonly flag.