c-typeck.c (pedantic_lvalue_warning): Deprecate compound expressions as lvalues.
* c-typeck.c (pedantic_lvalue_warning): Deprecate compound
expressions as lvalues.
(internal_build_compound_expr): Remove special handling for
non-pedantic case.
* doc/extend.texi: Document that all extended lvalues are now
deprecated.
testsuite:
* gcc.dg/compound-lvalue-1.c: New test.
* gcc.dg/c90-const-expr-2.c, gcc.dg/c99-const-expr-2.c: Remove
some XFAILs.