diff --git a/.github/workflows/build-cross-platform.yml b/.github/workflows/build-cross-platform.yml
index ce7efb6..374323e 100644
--- a/.github/workflows/build-cross-platform.yml
+++ b/.github/workflows/build-cross-platform.yml
@@ -135,6 +135,7 @@ jobs:
             --with-config-file-path=/etc \
             --with-config-file-scan-dir=/etc/php.d \
             --with-pdo-firebird \
+            --enable-address-sanitizer \          
             --enable-async
 
       - name: Build PHP
@@ -165,7 +166,7 @@ jobs:
             --no-progress \
             --offline \
             --show-diff \
-            --show-slow 2000 \
+            --show-slow 4000 \
             --set-timeout 120 \
             --repeat 2
 
@@ -309,6 +310,7 @@ jobs:
             --enable-inifile \
             --with-config-file-path=/usr/local/etc \
             --with-config-file-scan-dir=/usr/local/etc/php.d \
+            --enable-address-sanitizer \          
             --enable-async
 
       - name: Build PHP (macOS)
@@ -342,7 +344,7 @@ jobs:
             --no-progress ^
             --offline ^
             --show-diff ^
-            --show-slow 2000 ^
+            --show-slow 4000 ^
             --set-timeout 120 ^
             --repeat 2
         shell: cmd
@@ -364,6 +366,6 @@ jobs:
             --no-progress \
             --offline \
             --show-diff \
-            --show-slow 2000 \
+            --show-slow 4000 \
             --set-timeout 120 \
             --repeat 2
\ No newline at end of file
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7c13dbf..ba5eac7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -134,6 +134,7 @@ jobs:
             --with-config-file-path=/etc \
             --with-config-file-scan-dir=/etc/php.d \
             --with-pdo-firebird \
+            --enable-address-sanitizer \
             --enable-async
 
       - name: Build PHP
@@ -164,6 +165,6 @@ jobs:
             --no-progress \
             --offline \
             --show-diff \
-            --show-slow 2000 \
+            --show-slow 4000 \
             --set-timeout 120 \
             --repeat 2
\ No newline at end of file
diff --git a/tests/gc/013-gc-fiber-destructors.phpt b/tests/gc/013-gc-fiber-destructors.phpt
new file mode 100644
index 0000000..e2c30ed
--- /dev/null
+++ b/tests/gc/013-gc-fiber-destructors.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Fibers in destructors 006: multiple GC runs
+--FILE--
+<?php
+
+register_shutdown_function(function () {
+    printf("Shutdown\n");
+});
+
+class Cycle {
+    public static $counter = 0;
+    public $self;
+    public function __construct() {
+        $this->self = $this;
+    }
+    public function __destruct() {
+        $id = self::$counter++;
+        printf("%d: Start destruct\n", $id);
+        if ($id === 0) {
+            global $f2;
+            $f2 = Fiber::getCurrent();
+            Fiber::suspend(new stdClass);
+        }
+        printf("%d: End destruct\n", $id);
+    }
+}
+
+$f = new Fiber(function () {
+    new Cycle();
+    new Cycle();
+    gc_collect_cycles();
+});
+
+$f->start();
+
+new Cycle();
+new Cycle();
+gc_collect_cycles();
+
+$f2->resume();
+
+?>
+--EXPECT--
+0: Start destruct
+1: Start destruct
+1: End destruct
+2: Start destruct
+2: End destruct
+3: Start destruct
+3: End destruct
+0: End destruct
+Shutdown