musl: pick stacksize-related improvements, increase default size

Also supports setting default thread stack size via linker,
making it possible to fix programs without modifying source.

pkgs/os-specific/linux/musl/default.nix

@@ -72,6 +72,11 @@ stdenv.mkDerivation rec {
     # name_to_handle_at
     ./name-to-handle-at.patch
     ./max-handle-sz-for-name-to-handle-at.patch
+    # Upstream improvements regarding stack size, incl size increase
+    ./stacksize-0001.patch
+    ./stacksize-0002.patch
+    ./stacksize-0003.patch
+    ./stacksize-0004.patch
   ];
   preConfigure = ''
     configureFlagsArray+=("--syslibdir=$out/lib")