gcc11: update darwin support patch to 11.5.0 (#335554)

diff -u a/libgcc/config.host b/libgcc/config.host

--- a/libgcc/config.host	2023-11-05 11:01:55.778638446 -0500

+++ b/libgcc/config.host	2023-11-05 11:07:29.405103979 -0500

@@ -227,7 +227,7 @@

   tmake_file="$tmake_file t-slibgcc-darwin"

   # newer toolsets produce warnings when building for unsupported versions.

   case ${host} in

-    *-*-darwin1[89]* | *-*-darwin2* )

+    *-*-darwin1[89]* | *-*-darwin2* | aarch64*-*-darwin*)

       tmake_file="t-darwin-min-8 $tmake_file"

       ;;

     *-*-darwin9* | *-*-darwin1[0-7]*)

diff -ur a/libgcc/config/t-darwin-rpath b/libgcc/config/t-darwin-rpath

--- a/libgcc/config/t-darwin-rpath	2023-11-05 11:34:18.691150009 -0500

+++ b/libgcc/config/t-darwin-rpath	2023-11-05 11:50:36.968920904 -0500

@@ -2,4 +2,4 @@

 SHLIB_RPATH = @rpath

 # Which does not work for Darwin < 9

-HOST_LIBGCC2_CFLAGS += -mmacosx-version-min=10.5

+SHLIB_LOADER_PATH = -Wl,-rpath,@loader_path

  }) ];

  "11" = [ (fetchpatch {

    # There are no upstream release tags in https://github.com/iains/gcc-11-branch.

    # ff4bf32 is the commit from https://github.com/gcc-mirror/gcc/releases/tag/releases%2Fgcc-11.4.0

    url = "https://github.com/iains/gcc-11-branch/compare/ff4bf326d03e750a8d4905ea49425fe7d15a04b8..gcc-11.4-darwin-r0.diff";

    hash = "sha256-6prPgR2eGVJs7vKd6iM1eZsEPCD1ShzLns2Z+29vlt4=";

    # 5cc4c42a0d4de08715c2eef8715ad5b2e92a23b6 is the commit from https://github.com/gcc-mirror/gcc/releases/tag/releases%2Fgcc-11.5.0

    url = "https://github.com/iains/gcc-11-branch/compare/5cc4c42a0d4de08715c2eef8715ad5b2e92a23b6..gcc-11.5-darwin-r0.diff";

    hash = "sha256-7lH+GkgkrE6nOp9PMdIoqlQNWK31s6oW+lDt1LIkadE=";

  }) ];

  "10" = [ (fetchpatch {

    # There are no upstream release tags in https://github.com/iains/gcc-10-branch.

## gcc 11.0 and older ##############################################################################

# libgcc’s `configure` script misdetects aarch64-darwin, resulting in an invalid deployment target.

++ optional (is11 && stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) ./11/libgcc-aarch64-darwin-detection.patch

# openjdk build fails without this on -march=opteron; is upstream in gcc12

++ optionals (is11) [ ./11/gcc-issue-103910.patch ]