symfony
diff --git a/‎src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php
Lines changed: 4 additions & 1 deletion b/‎src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php
Lines changed: 4 additions & 1 deletion
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php
Lines changed: 18 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php
Lines changed: 18 additions & 0 deletions
diff --git a/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/autowiring_classes.php
Lines changed: 4 additions & 0 deletions b/‎src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/autowiring_classes.php
Lines changed: 4 additions & 0 deletions
@@ -337,7 +337,10 @@ private function createTypeAlternatives(TypedReference $reference)
             return ' '.$message;
         }
 
-        if (isset($this->ambiguousServiceTypes[$type])) {
+        $servicesAndAliases = $this->container->getServiceIds();
+        if (!$this->container->has($type) && false !== $key = array_search(strtolower($type), array_map('strtolower', $servicesAndAliases))) {
+            return sprintf(' Did you mean "%s"?', $servicesAndAliases[$key]);
+        } elseif (isset($this->ambiguousServiceTypes[$type])) {
             $message = sprintf('one of these existing services: "%s"', implode('", "', $this->ambiguousServiceTypes[$type]));
         } elseif (isset($this->types[$type])) {
             $message = sprintf('the existing "%s" service', $this->types[$type]);
 
@@ -685,6 +685,24 @@ public function provideNotWireableCalls()
         );
     }
 
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
+     * @expectedExceptionMessage Cannot autowire service "foo": argument "$sam" of method "Symfony\Component\DependencyInjection\Tests\Compiler\NotWireable::setNotAutowireableBecauseOfATypo()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\lesTilleuls" but no such service exists. Did you mean "Symfony\Component\DependencyInjection\Tests\Compiler\LesTilleuls"?
+     */
+    public function testSuggestRegisteredServicesWithSimilarCase()
+    {
+        $container = new ContainerBuilder();
+
+        $container->register(LesTilleuls::class, LesTilleuls::class);
+        $container->register('foo', NotWireable::class)->setAutowired(true)
+            ->addMethodCall('setNotAutowireableBecauseOfATypo', array())
+        ;
+
+        (new ResolveClassPass())->process($container);
+        (new AutowireRequiredMethodsPass())->process($container);
+        (new AutowirePass())->process($container);
+    }
+
     /**
      * @expectedException \Symfony\Component\DependencyInjection\Exception\AutowiringFailedException
      * @expectedExceptionMessage Cannot autowire service "j": argument "$i" of method "Symfony\Component\DependencyInjection\Tests\Compiler\J::__construct()" references class "Symfony\Component\DependencyInjection\Tests\Compiler\I" but no such service exists. Try changing the type-hint to "Symfony\Component\DependencyInjection\Tests\Compiler\IInterface" instead.
 
@@ -299,6 +299,10 @@ public function setNotAutowireable(NotARealClass $n)
     {
     }
 
+    public function setNotAutowireableBecauseOfATypo(lesTilleuls $sam)
+    {
+    }
+
     public function setBar()
     {
     }
Original file line number	Diff line number	Diff line change
`@@ -299,6 +299,10 @@ public function setNotAutowireable(NotARealClass $n)`
`299`	`299`	`{`
`300`	`300`	`}`
`301`	`301`
	`302`	`+ public function setNotAutowireableBecauseOfATypo(lesTilleuls $sam)`
	`303`	`+ {`
	`304`	`+ }`
	`305`	`+`
`302`	`306`	`public function setBar()`
`303`	`307`	`{`
`304`	`308`	`}`