a small empty file will reproduce this bug.
Invoke cc1 with -fno-tree-store-copy-prop and you get an ICE:
cc1: internal compiler error: in common_handle_option, at opts.c:1786
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
Obviously caused by:
r129734 | rguenth | 2007-10-29 14:16:45 -0700 (Mon, 29 Oct 2007) | 25 lines
2007-10-29 Richard Guenther <[EMAIL PROTECTED]>
* passes.c (init_optimization_passes): Exchange store_copy_prop
with copy_prop.
* tree-pass.h (pass_store_copy_prop): Remove.
* tree-ssa-copy.c (do_store_copy_prop): Remove.
(stmt_may_generate-copy): Do not handle store_copy_prop.
(get_copy_of_val): Likewise.
(set_copy_of_val): Likewise.
(copy_prop_visit_assignment): Likewise.
(copy_prop_visit_stmt): Likewise.
(copy_prop_visit_phi_node): Likewise.
(init_copy_prop): Likewise.
(execute_copy_prop): Likewise.
(do_copy_prop): Remove.
(gate_store_copy_prop): Likewise.
(store_copy_prop): Likewise.
(pass_store_copy_prop): Likewise.
(pass_copy_prop): Call execute_copy_prop.
* opts.c (decode_options): Do not set flag_tree_store_copy_prop.
* common.opt (ftree-store-copy-prop): Mark obsolete.
* doc/invoke.texi (ftree-store-copy-prop): Remove documentation.
--
Summary: [4.3 Regression] -fno-tree-store-copy-prop causes an ICE
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pinskia at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34317
