PR middle-end/13448
* c-tree.h (readonly_warning): Rename to ...
(readonly_error): ... this.
* c-typeck.c (build_unary_op): Adjust accordingly.
(readonly_warning): Rename to ...
(readonly_error): ... this and issue errors, not warnings.
(build_modify_expr): Call readonly_error, not readonly_warning.
(c_expand_asm_operands): Likewise.
* tree-inline.c (optimize_inline_calls): Do not inline functions
after errors have occurred.
PR middle-end/13448
* gcc.dg/inline-5.c: New test.
* gcc.dg/always-inline.c: Split out tests into ...
* gcc.dg/always-inline2.c: ... this and ...
* gcc.dg/always-inline3.c: ... this.
From-SVN: r78682
