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04/09: gnu: binutils: Fix bug in test suite in libiberty.


From: guix-commits
Subject: 04/09: gnu: binutils: Fix bug in test suite in libiberty.
Date: Sun, 16 May 2021 03:46:26 -0400 (EDT)

efraim pushed a commit to branch wip-ppc
in repository guix.

commit 48229165bf08198d39b92376b0299226dba7047f
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Thu Apr 22 09:35:36 2021 +0300

    gnu: binutils: Fix bug in test suite in libiberty.
    
    * gnu/packages/base.scm (binutils)[source]: Add patch.
    * gnu/packages/patches/binutils-libiberty-endianness-bug.patch: New file.
    * gnu/local.mk (dist_patch_DATA): Register it.
---
 gnu/local.mk                                       |  1 +
 gnu/packages/base.scm                              |  3 +-
 .../binutils-libiberty-endianness-bug.patch        | 36 ++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index 95f4626..bc9ad22 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -869,6 +869,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/biber-sortinithash.patch                        \
   %D%/packages/patches/bidiv-update-fribidi.patch              \
   %D%/packages/patches/binutils-boot-2.20.1a.patch             \
+  %D%/packages/patches/binutils-libiberty-endianness-bug.patch \
   %D%/packages/patches/binutils-loongson-workaround.patch      \
   %D%/packages/patches/binutils-mingw-w64-timestamp.patch      \
   %D%/packages/patches/binutils-mingw-w64-deterministic.patch  \
diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index 33c4952..d30299a 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -507,7 +507,8 @@ change.  GNU make offers many powerful extensions over the 
standard utility.")
             (sha256
              (base32
               "18ypqr5y48vxqg9mkz1c47798jp1xb1d4vfpmfq8vkihkvkx4jsv"))
-            (patches (search-patches "binutils-loongson-workaround.patch"))))
+            (patches (search-patches "binutils-libiberty-endianness-bug.patch"
+                                     "binutils-loongson-workaround.patch"))))
    (build-system gnu-build-system)
 
    ;; TODO: Add dependency on zlib + those for Gold.
diff --git a/gnu/packages/patches/binutils-libiberty-endianness-bug.patch 
b/gnu/packages/patches/binutils-libiberty-endianness-bug.patch
new file mode 100644
index 0000000..e6c82f7
--- /dev/null
+++ b/gnu/packages/patches/binutils-libiberty-endianness-bug.patch
@@ -0,0 +1,36 @@
+This patch fixes a bug exposed when running the libiberty test suite on
+big-endian machines.
+
+Original bug report:
+https://sourceware.org/bugzilla/show_bug.cgi?id=27751
+Follow-ups:
+https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100177
+https://gcc.gnu.org/pipermail/gcc-patches/2021-April/568314.html
+
+---
+ libiberty/rust-demangle.c | 9 ++++++---
+ 1 file changed, 6 insertions(+), 3 deletions(-)
+
+diff --git a/libiberty/rust-demangle.c b/libiberty/rust-demangle.c
+index 6fd8f6a4db0..848563fa3c3 100644
+--- a/libiberty/rust-demangle.c
++++ b/libiberty/rust-demangle.c
+@@ -1253,9 +1253,12 @@ demangle_const_char (struct rust_demangler *rdm)
+   else if (value == '\n')
+     PRINT ("\\n");
+   else if (value > ' ' && value < '~')
+-    /* Rust also considers many non-ASCII codepoints to be printable, but
+-       that logic is not easily ported to C. */
+-    print_str (rdm, (char *) &value, 1);
++    {
++      /* Rust also considers many non-ASCII codepoints to be printable, but
++      that logic is not easily ported to C. */
++      char c = value;
++      print_str (rdm, &c, 1);
++    }
+   else
+     {
+       PRINT ("\\u{");
+-- 
+2.31.1
+



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