diff --git a/CHANGELOG b/CHANGELOG
index 25a13d558ca2d6572999ce635efacbeee686a4fc..d5e66840f233f5e3794975dbda7c2c5f9b51b64a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -27,6 +27,7 @@ v 8.10.0 (unreleased)
   - Store when and yaml variables in builds table
   - Display last commit of deleted branch in push events !4699 (winniehell)
   - Escape file extension when parsing search results !5141 (winniehell)
+  - Add "passing with warnings" to the merge request pipeline possible statuses, this happens when builds that allow failures have failed. !5004
   - Apply the trusted_proxies config to the rack request object for use with rack_attack
   - Upgrade to Rails 4.2.7. !5236
   - Extend exposed environment variables for CI builds
diff --git a/app/assets/javascripts/merge_request_widget.js.coffee b/app/assets/javascripts/merge_request_widget.js.coffee
index 779f536d9f07455c104212b1eafa0bd8e44aedd0..963a0550c35bde422d6980d66aec6410d991817c 100644
--- a/app/assets/javascripts/merge_request_widget.js.coffee
+++ b/app/assets/javascripts/merge_request_widget.js.coffee
@@ -55,10 +55,13 @@ class @MergeRequestWidget
       $('.mr-state-widget').replaceWith(data)
 
   ciLabelForStatus: (status) ->
-    if status is 'success'
-      'passed'
-    else
-      status
+    switch status
+      when 'success'
+        'passed'
+      when 'success_with_warnings'
+        'passed with warnings'
+      else
+        status
 
   pollCIStatus: ->
     @fetchBuildStatusInterval = setInterval ( =>
@@ -116,7 +119,7 @@ class @MergeRequestWidget
   showCIStatus: (state) ->
     return if not state?
     $('.ci_widget').hide()
-    allowed_states = ["failed", "canceled", "running", "pending", "success", "skipped", "not_found"]
+    allowed_states = ["failed", "canceled", "running", "pending", "success", "success_with_warnings", "skipped", "not_found"]
     if state in allowed_states
       $('.ci_widget.ci-' + state).show()
       switch state
@@ -124,7 +127,7 @@ class @MergeRequestWidget
           @setMergeButtonClass('btn-danger')
         when "running"
           @setMergeButtonClass('btn-warning')
-        when "success"
+        when "success", "success_with_warnings"
           @setMergeButtonClass('btn-create')
     else
       $('.ci_widget.ci-error').show()
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 5254faf723db65efbbdaf28711eb79fba5153d24..4e806e60e7e91ca10b3c0150c78d20fe047308e4 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -70,6 +70,14 @@
       color: $gl-success;
     }
 
+    &.ci-success_with_warnings {
+      color: $gl-success;
+
+      i {
+        color: $gl-warning;
+      }
+    }
+
     &.ci-skipped {
       background-color: #eee;
       color: #888;
diff --git a/app/assets/stylesheets/pages/status.scss b/app/assets/stylesheets/pages/status.scss
index a22d4b6f6be66b02eaa675a32e9eb62926b5bb79..99f64b5e4cc2c26fc475208ae7539a4adc6a2881 100644
--- a/app/assets/stylesheets/pages/status.scss
+++ b/app/assets/stylesheets/pages/status.scss
@@ -15,7 +15,8 @@
       border-color: $gl-danger;
     }
 
-    &.ci-success {
+    &.ci-success,
+    &.ci-success_with_warnings {
       color: $gl-success;
       border-color: $gl-success;
     }
@@ -57,9 +58,12 @@
   .ci-status-icon-failed {
     color: $gl-danger;
   }
-  .ci-status-icon-pending {
+
+  .ci-status-icon-pending,
+  .ci-status-icon-success_with_warning {
     color: $gl-warning;
   }
+  
   .ci-status-icon-running {
     color: $blue-normal;
   }
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index df659bb8c3bbfa3cbd1d4e58a8e91b9dd411c9dd..7beeb7d97d01d81f9e18afe5ed05567f9046fb79 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -286,6 +286,8 @@ class Projects::MergeRequestsController < Projects::ApplicationController
       status = pipeline.status
       coverage = pipeline.try(:coverage)
 
+      status = "success_with_warnings" if pipeline.success? && pipeline.has_warnings?
+
       status ||= "preparing"
     else
       ci_service = @merge_request.source_project.ci_service
diff --git a/app/helpers/ci_status_helper.rb b/app/helpers/ci_status_helper.rb
index 59a8365d60b403cfe02fe9ab20335562ee9d029e..ffac28f78a0e21542955a4cfe2f9c41b1b610b96 100644
--- a/app/helpers/ci_status_helper.rb
+++ b/app/helpers/ci_status_helper.rb
@@ -15,8 +15,11 @@ module CiStatusHelper
   end
 
   def ci_label_for_status(status)
-    if status == 'success'
+    case status
+    when 'success'
       'passed'
+    when 'success_with_warnings'
+      'passed with warnings'
     else
       status
     end
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index 88fa01c896d082788ccd2d08e16dbc999ea0905d..6d3bbb03484b1074a82b9da677d9ef30b4159878 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -146,6 +146,10 @@ module Ci
       end
     end
 
+    def has_warnings?
+      builds.latest.ignored.any?
+    end
+
     def config_processor
       return nil unless ci_yaml_file
       return @config_processor if defined?(@config_processor)
diff --git a/app/views/projects/merge_requests/widget/_heading.html.haml b/app/views/projects/merge_requests/widget/_heading.html.haml
index 489c632ae229fd77d72e37f92eb2226b207b84ee..6ef640bb6543d1446ca42b3d71b6543b9260aedf 100644
--- a/app/views/projects/merge_requests/widget/_heading.html.haml
+++ b/app/views/projects/merge_requests/widget/_heading.html.haml
@@ -1,6 +1,6 @@
 - if @pipeline
   .mr-widget-heading
-    - %w[success skipped canceled failed running pending].each do |status|
+    - %w[success success_with_warnings skipped canceled failed running pending].each do |status|
       .ci_widget{ class: "ci-#{status}", style: ("display:none" unless @pipeline.status == status) }
         = ci_icon_for_status(status)
         %span
diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index a3bd8fdf30b3b0943c31e788dfb52b5ceedec809..0d4c86955ceb37c67ac07e29ada97e5d7e887c79 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -504,4 +504,42 @@ describe Ci::Pipeline, models: true do
       end
     end
   end
+
+  describe '#has_warnings?' do
+    subject { pipeline.has_warnings? }
+
+    context 'build which is allowed to fail fails' do
+      before do
+        create :ci_build, :success, pipeline: pipeline, name: 'rspec'
+        create :ci_build, :allowed_to_fail, :failed, pipeline: pipeline, name: 'rubocop'
+      end
+      
+      it 'returns true' do
+        is_expected.to be_truthy
+      end
+    end
+
+    context 'build which is allowed to fail succeeds' do
+      before do
+        create :ci_build, :success, pipeline: pipeline, name: 'rspec'
+        create :ci_build, :allowed_to_fail, :success, pipeline: pipeline, name: 'rubocop'
+      end
+      
+      it 'returns false' do
+        is_expected.to be_falsey
+      end
+    end
+
+    context 'build is retried and succeeds' do
+      before do
+        create :ci_build, :success, pipeline: pipeline, name: 'rubocop'
+        create :ci_build, :failed, pipeline: pipeline, name: 'rspec'
+        create :ci_build, :success, pipeline: pipeline, name: 'rspec'
+      end
+
+      it 'returns false' do
+        is_expected.to be_falsey
+      end
+    end
+  end
 end