src/core/thread.d

@@ -305,6 +305,10 @@ else version( Posix )
             }
             assert( obj );
 
+            // loadedLibraries need to be inherited from parent thread
+            // before initilizing GC for TLS (rt_tlsgc_init)
+            version (Shared) inheritLoadedLibraries(loadedLibraries);
+
             assert( obj.m_curr is &obj.m_main );
             obj.m_main.bstack = getStackBottom();
             obj.m_main.tstack = obj.m_main.bstack;
@@ -378,7 +382,6 @@ else version( Posix )
 
             try
             {
-                version (Shared) inheritLoadedLibraries(loadedLibraries);
                 rt_moduleTlsCtor();
                 try
                 {

src/rt/sections_elf_shared.d

@@ -200,6 +200,11 @@ version (Shared)
         assert(_loadedDSOs.empty);
         _loadedDSOs.swap(*cast(Array!(ThreadDSO)*)p);
         .free(p);
+        foreach (ref dso; _loadedDSOs)
+        {
+            // the copied _tlsRange corresponds to parent thread
+            dso.updateTLSRange();
+        }
     }
 
     // Called after all TLS dtors ran, decrements all remaining dlopen refs.
@@ -267,6 +272,11 @@ version (Shared)
         else static assert(0, "unimplemented");
         void[] _tlsRange;
         alias _pdso this;
+        // update the _tlsRange for the executing thread
+        void updateTLSRange()
+        {
+            _tlsRange = getTLSRange(_pdso._tlsMod, _pdso._tlsSize);
+        }
     }
     Array!(ThreadDSO) _loadedDSOs;