redundant_pattern_matching fix inverted boolean when missing Drop…

… trait # Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Date: Fri Apr 2 19:04:45 2021 -0400
#
# On branch redundant_pattern_matching
# Your branch is ahead of 'origin/redundant_pattern_matching' by 1 commit.
# (use "git push" to publish your local commits)
#
# Changes to be committed:
#	modified: clippy_lints/src/matches.rs
#

clippy_lints/src/matches.rs

@@ -1737,11 +1737,11 @@ mod redundant_pattern_match {
     fn type_needs_ordered_drop(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool {
         if !ty.needs_drop(cx.tcx, cx.param_env) {
             false
-        } else if cx
+        } else if !cx
             .tcx
             .lang_items()
             .drop_trait()
-            .map_or(false, |id| !implements_trait(cx, ty, id, &[]))
+            .map_or(false, |id| implements_trait(cx, ty, id, &[]))
         {
             // This type doesn't implement drop, so no side effects here.
             // Check if any component type has any.