diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000-c.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000-c.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c index c6fd52439eb..24904d1bd74 100644 --- a/gcc/config/rs6000/rs6000-c.c +++ b/gcc/config/rs6000/rs6000-c.c @@ -6075,6 +6075,15 @@ altivec_resolve_overloaded_builtin (location_t loc, tree fndecl, stmt = build_binary_op (loc, PLUS_EXPR, stmt, arg2, 1); stmt = build_indirect_ref (loc, stmt, RO_NULL); + /* PR83660: We mark this as having side effects so that + downstream in fold_build_cleanup_point_expr () it will get a + CLEANUP_POINT_EXPR. If it does not we can run into an ICE + later in gimplify_cleanup_point_expr (). Potentially this + causes missed optimization because the actually is no side + effect. */ + if (c_dialect_cxx ()) + TREE_SIDE_EFFECTS (stmt) = 1; + return stmt; } |