Stop gold from aborting when it encounters input sections with the same name and different flags.

Relates: #1722715

binutils-gold-mismatched-section-flags.patch

@@ -0,0 +1,36 @@
+diff -rup binutils.orig/gold/layout.cc binutils-2.32/gold/layout.cc
+--- binutils.orig/gold/layout.cc	2019-06-24 14:37:36.013086899 +0100
++++ binutils-2.32/gold/layout.cc	2019-06-24 14:41:40.054517479 +0100
+@@ -868,6 +868,7 @@ Layout::get_output_section(const char* n
+ 		  && (same_name->flags() & elfcpp::SHF_TLS) == 0)
+ 		os = same_name;
+ 	    }
++#if 0 /* BZ 1722715, PR 17556.  */
+ 	  else if ((flags & elfcpp::SHF_TLS) == 0)
+ 	    {
+ 	      elfcpp::Elf_Xword zero_flags = 0;
+@@ -878,6 +879,7 @@ Layout::get_output_section(const char* n
+ 	      if (p != this->section_name_map_.end())
+ 		os = p->second;
+ 	    }
++#endif
+ 	}
+ 
+       if (os == NULL)
+diff -rup binutils.orig/gold/object.cc binutils-2.32/gold/object.cc
+--- binutils.orig/gold/object.cc	2019-06-24 14:37:36.012086906 +0100
++++ binutils-2.32/gold/object.cc	2019-06-24 14:39:59.287165501 +0100
+@@ -1644,6 +1644,13 @@ Sized_relobj_file<size, big_endian>::do_
+ 	      omit[i] = true;
+ 	    }
+ 
++	  // Skip empty sections without flags.
++	  if (!(shdr.get_sh_flags() & ~elfcpp::SHF_GROUP)
++	      && !shdr.get_sh_size())
++	    {
++	      omit[i] = true;
++	    }
++
+ 	  bool discard = omit[i];
+ 	  if (!discard)
+ 	    {

binutils.spec

@@ -85,7 +85,7 @@
 Summary: A GNU collection of binary utilities
 Name: %{?cross}binutils%{?_with_debug:-debug}
 Version: 2.32
-Release: 14%{?dist}
+Release: 15%{?dist}
 License: GPLv3+
 URL: https://sourceware.org/binutils
 
@@ -211,6 +211,11 @@ Patch19: binutils-CVE-2019-9071.patch
 # Lifetime: Fixed in 2.33
 Patch20: binutils-aarch64-gold-PLT-for-MOVW_ABS.patch
 
+# Purpose:  Stop gold from aborting when input sections with the same name
+#            have different flags.
+# Lifetime: 2.33 (probably)
+Patch21: binutils-gold-mismatched-section-flags.patch
+
 #----------------------------------------------------------------------------
 
 Provides: bundled(libiberty)
@@ -357,6 +362,7 @@ Conflicts: gcc-c++ < 4.0.0
 %patch18 -p1
 %patch19 -p1
 %patch20 -p1
+%patch21 -p1
 
 # We cannot run autotools as there is an exact requirement of autoconf-2.59.
 # FIXME - this is no longer true.  Maybe try reinstating autotool use ?
@@ -753,6 +759,9 @@ exit 0
 
 #----------------------------------------------------------------------------
 %changelog
+* Mon Jun 24 2019 Nick Clifton  <nickc@redhat.com> - 2.32-15
+- Stop gold from aborting when it encounters input sections with the same name and different flags.  (#1722715)
+
 * Tue May 21 2019 Nick Clifton  <nickc@redhat.com> - 2.32-14
 - Import fix for PR 23870 in order to help building Go binaries.