http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58943
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Author: jakub Date: Wed Jan 15 08:03:53 2014 New Revision: 206620 URL: http://gcc.gnu.org/viewcvs?rev=206620&root=gcc&view=rev Log: PR c/58943 * c-typeck.c (build_modify_expr): For lhs op= rhs, if rhs has side effects, preevaluate rhs using SAVE_EXPR first. * c-omp.c (c_finish_omp_atomic): Set in_late_binary_op around build_modify_expr with non-NOP_EXPR opcode. Handle return from it being COMPOUND_EXPR. (c_finish_omp_for): Handle incr being COMPOUND_EXPR with first operand a SAVE_EXPR and second MODIFY_EXPR. * gcc.c-torture/execute/pr58943.c: New test. * gcc.dg/tree-ssa/ssa-fre-33.c (main): Avoid using += in the test. Added: trunk/gcc/testsuite/gcc.c-torture/execute/pr58943.c Modified: trunk/gcc/c-family/ChangeLog trunk/gcc/c-family/c-omp.c trunk/gcc/c/ChangeLog trunk/gcc/c/c-typeck.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-33.c
