Default to DWARF level 4 in the assembler.

binutils-gas-dwarf-level-4.patch

@@ -0,0 +1,11 @@
+--- binutils.orig/gas/as.c	2020-07-30 08:41:25.034236441 +0100
++++ binutils-2.35/gas/as.c	2020-07-30 08:41:52.197058041 +0100
+@@ -103,7 +103,7 @@ int verbose = 0;
+ int flag_dwarf_cie_version = -1;
+ 
+ /* The maximum level of DWARF DEBUG information we should manufacture.  */
+-unsigned int dwarf_level = 0;
++unsigned int dwarf_level = 4;
+ 
+ #if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ int flag_use_elf_stt_common = DEFAULT_GENERATE_ELF_STT_COMMON;

binutils.spec

@@ -2,7 +2,7 @@
 Summary: A GNU collection of binary utilities
 Name: %{?cross}binutils%{?_with_debug:-debug}
 Version: 2.35
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPLv3+
 URL: https://sourceware.org/binutils
 
@@ -223,6 +223,10 @@ Patch21: binutils-warnings.patch
 # Purpose:  Fix compile time warning messages building with gcc-10. (part 2).
 # Lifetime: Should be fixed in 2.36.
 Patch22: binutils-gcc-10-fixes.patch
+
+# Purpose:  Default to DWARF level 4 in the assembler.
+# Lifetime: Fixed in 2.36.
+Patch23: binutils-gas-dwarf-level-4.patch
 #----------------------------------------------------------------------------
 
 Provides: bundled(libiberty)
@@ -407,7 +411,7 @@ touch */configure
 # LTO is triggering a bug in ld which in turn causes ld to create incorrect
 # binaries.  It is not yet clear how serious this bug is (still debugging).
 # Until that analysis is finished I am disabling LTO
-%define _lto_cflags %{nil}
+#define _lto_cflags %{nil}
 
 echo target is %{binutils_target}
 
@@ -801,6 +805,9 @@ exit 0
 
 #----------------------------------------------------------------------------
 %changelog
+* Thu Jul 30 2020 Nick Clifton  <nickc@redhat.com> - 2.35-4
+- Default to DWARF level 4 in the assembler.
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.35-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild