+ increase WebAssembly max memory limit for test tw11006.pp, because the test

  runs out of memory with the default memory limit of 256 MiB

tests/webtbs/tw11006.pp

@@ -2,6 +2,12 @@
 
 {$mode objfpc}
 
+{$ifdef CPUWASM32}
+  { This test runs out of memory, when using the default WebAssembly shared
+    memory limit of 256 MiB, so we increase it to 512 MiB }
+  {$M 1048576,536870912,536870912}
+{$endif}
+
 uses
 {$ifdef unix}
   cthreads,