./:
* c-common.c (c_common_truthvalue_conversion): When warning about
using an assignment as a truth value, set TREE_NO_WARNING.
cp/:
* semantics.c (maybe_convert_cond): Optionally warn when using an
assignment as a condition.
* typeck.c (convert_for_assignment): Optionally warn about
assigning the result of an assignment to a bool.
testsuite/:
* g++.dg/warn/Wparentheses-22.C: New test.
* g++.dg/warn/Wparentheses-23.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120348 138bc75d-0d04-0410-961f-82ee72b054a4