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| author | Jason Merrill <jason@redhat.com> | 2016-06-14 16:18:34 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2016-06-14 16:18:34 -0400 |
| commit | 4eb24e010993b2d9152c2038566f0114fd65fac7 (patch) | |
| tree | 072a2558b885b3a6234c21b60e349923722e60dc /gcc/doc | |
| parent | a09c81b4ba40aac99fd4c37654e1231f4836f891 (diff) | |
| download | gcc-4eb24e010993b2d9152c2038566f0114fd65fac7.zip gcc-4eb24e010993b2d9152c2038566f0114fd65fac7.tar.gz gcc-4eb24e010993b2d9152c2038566f0114fd65fac7.tar.bz2 | |
P0145R2: Refining Expression Order for C++.
gcc/c-family/
* c.opt (fargs-in-order): New.
* c-opts.c (c_common_post_options): Adjust flag_args_in_order.
gcc/cp/
* cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
(CALL_EXPR_REVERSE_ARGS): New.
* call.c (build_new_op_1): Set them.
(extract_call_expr, op_is_ordered): New.
(build_over_call): Set CALL_EXPR_ORDERED_ARGS.
* cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
* pt.c (tsubst_copy_and_build): Copy new flags.
* semantics.c (simplify_aggr_init_expr): Likewise.
* tree.c (build_aggr_init_expr): Likewise.
(build_min_non_dep_op_overload): Likewise.
From-SVN: r237459
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 223fd86..2105351 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -189,7 +189,8 @@ in the following sections. @item C++ Language Options @xref{C++ Dialect Options,,Options Controlling C++ Dialect}. -@gccoptlist{-fabi-version=@var{n} -fno-access-control -fcheck-new @gol +@gccoptlist{-fabi-version=@var{n} -fno-access-control @gol +-fargs-in-order=@var{n} -fcheck-new @gol -fconstexpr-depth=@var{n} -ffriend-injection @gol -fno-elide-constructors @gol -fno-enforce-eh-specs @gol @@ -2233,6 +2234,14 @@ option is used for the warning. Turn off all access checking. This switch is mainly useful for working around bugs in the access control code. +@item -fargs-in-order +@opindex fargs-in-order +Evaluate function arguments and operands of some binary expressions in +left-to-right order, and evaluate the right side of an assignment +before the left side, as proposed in P0145R2. Enabled by default with +@option{-std=c++1z}. @option{-fargs-in-order=1} implements all of the +ordering requirements except function arguments. + @item -fcheck-new @opindex fcheck-new Check that the pointer returned by @code{operator new} is non-null |