gnu: icedtea-6: Remove obsolete, architecture-dependent patch.

* gnu/packages/java.scm (icedtea-6)[arguments]<#:phases>: Remove special
handling of "hotspot-src" input during "unpack" phase.
[native-inputs]: Remove patch to "hotspot-src".
* gnu/packages/patches/icedtea-6-hotspot-gcc-segfault-workaround.patch: Delete
file.
* gnu/local.mk (dist_patch_DATA): Remove it.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/local.mk

@@ -1145,7 +1145,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/icecat-use-older-reveal-hidden-html.patch	\
   %D%/packages/patches/icecat-use-system-graphite2+harfbuzz.patch	\
   %D%/packages/patches/icecat-use-system-media-libs.patch	\
-  %D%/packages/patches/icedtea-6-hotspot-gcc-segfault-workaround.patch  \
   %D%/packages/patches/icedtea-7-hotspot-gcc-segfault-workaround.patch  \
   %D%/packages/patches/icu4c-CVE-2020-10531.patch  		\
   %D%/packages/patches/id3lib-CVE-2007-4460.patch			\

gnu/packages/java.scm

@@ -889,11 +889,8 @@ (define-public icedtea-6
                             (assoc-ref inputs
                                        (string-append part "-src"))
                             part))
-                         '("jdk" "corba"
+                         '("jdk" "hotspot" "corba"
                            "langtools" "jaxp" "jaxws")))
-             (with-directory-excursion "openjdk"
-               (invoke "tar" "xvf" (assoc-ref inputs "hotspot-src"))
-               (rename-file "hg-checkout" "hotspot"))
              (substitute* "patches/freetypeversion.patch"
                (("REQUIRED_FREETYPE_VERSION = 2.2.1")
                 "REQUIRED_FREETYPE_VERSION = 2.10.1"))
@@ -1119,9 +1116,7 @@ (define-public icedtea-6
                  (changeset "jdk6-b41")))
            (sha256
             (base32
-             "07lc1z4k5dj9nrc1wvwmpvxr3xgxrdkdh53xb95skk5ij49yagfd"))
+             "07lc1z4k5dj9nrc1wvwmpvxr3xgxrdkdh53xb95skk5ij49yagfd"))))
-           (patches
-            (search-patches "icedtea-6-hotspot-gcc-segfault-workaround.patch"))))
        ("corba-src"
         ,(origin
            (method hg-fetch)

gnu/packages/patches/icedtea-6-hotspot-gcc-segfault-workaround.patch

@@ -1,42 +0,0 @@
-# HG changeset patch
-# User Gábor Boskovits <boskovits@gmail.com>
-# Date 1530519413 -7200
-#      Mon Jul 02 10:16:53 2018 +0200
-# Node ID 77e5bc9e238a28d17e097647badc04ed67a6a452
-# Parent  1ae05a34e052d1672b4a7894ddf5fc2f662eb861
-Fix gcc segfault.
-
-diff -r 1ae05a34e052 -r 77e5bc9e238a src/share/vm/opto/output.cpp
---- a/src/share/vm/opto/output.cpp	Sun Dec 25 23:52:13 2016 +0000
-+++ b/src/share/vm/opto/output.cpp	Mon Jul 02 10:16:53 2018 +0200
-@@ -1758,6 +1758,8 @@
- 
- // Initializer for class Scheduling
- 
-+volatile const void *eePointer = Pipeline_Use::elaborated_elements;
-+
- Scheduling::Scheduling(Arena *arena, Compile &compile)
-   : _arena(arena),
-     _cfg(compile.cfg()),
-@@ -1802,8 +1804,8 @@
- 
-   // Clear the bundling information
-   memcpy(_bundle_use_elements,
--    Pipeline_Use::elaborated_elements,
--    sizeof(Pipeline_Use::elaborated_elements));
-+	 (void *)eePointer,
-+    11*sizeof(Pipeline_Use_Element));
- 
-   // Get the last node
-   Block *bb = _cfg->_blocks[_cfg->_blocks.size()-1];
-@@ -1854,8 +1856,8 @@
-   _bundle_use.reset();
- 
-   memcpy(_bundle_use_elements,
--    Pipeline_Use::elaborated_elements,
--    sizeof(Pipeline_Use::elaborated_elements));
-+	 (void *)eePointer,
-+    11*sizeof(Pipeline_Use_Element));
- }
- 
- //------------------------------ScheduleAndBundle------------------------------