From Alt-linux "defaults" patch.
This patch passes test suites.

robert

diff -Naur binutils-2.19.51.orig/ld/ldmain.c binutils-2.19.51/ld/ldmain.c
--- binutils-2.19.51.orig/ld/ldmain.c	2009-09-02 07:25:35.000000000 +0000
+++ binutils-2.19.51/ld/ldmain.c	2009-10-12 11:06:54.039320775 +0000
@@ -260,6 +260,7 @@
      interface by default.  */
   demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;
 
+  link_info.optimize = TRUE;
   link_info.allow_undefined_version = TRUE;
   link_info.keep_memory = TRUE;
   link_info.combreloc = TRUE;
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-arm/arm-elf.exp binutils-2.19.51/ld/testsuite/ld-arm/arm-elf.exp
--- binutils-2.19.51.orig/ld/testsuite/ld-arm/arm-elf.exp	2009-09-02 07:25:37.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-arm/arm-elf.exp	2009-10-12 11:06:16.898883458 +0000
@@ -89,21 +89,21 @@
     {"Non-pcrel function reference" "tmpdir/arm-lib.so" "" {arm-app-abs32.s}
      {{objdump -fdw arm-app-abs32.d} {objdump -Rw arm-app-abs32.r}}
      "arm-app-abs32"}
-    {"Thumb shared library with ARM entry points" "-shared -T arm-lib.ld" "-mthumb-interwork"
+    {"Thumb shared library with ARM entry points" "-shared -T arm-lib.ld -O0" "-mthumb-interwork"
      {mixed-lib.s}
      {{objdump -fdw armthumb-lib.d} {readelf -Ds armthumb-lib.sym}}
      "armthumb-lib.so"}
-    {"Mixed ARM/Thumb shared library" "-shared -T arm-lib.ld -use-blx" ""
+    {"Mixed ARM/Thumb shared library" "-shared -T arm-lib.ld -use-blx -O0" ""
      {mixed-lib.s}
      {{objdump -fdw mixed-lib.d} {objdump -Rw mixed-lib.r}
       {readelf -Ds mixed-lib.sym}}
      "mixed-lib.so"}
-    {"Mixed ARM/Thumb dynamic application" "tmpdir/mixed-lib.so -T arm-dyn.ld" ""
+    {"Mixed ARM/Thumb dynamic application" "tmpdir/mixed-lib.so -T arm-dyn.ld -O0" ""
      {mixed-app.s}
      {{objdump -fdw mixed-app.d} {objdump -Rw mixed-app.r}
       {readelf -Ds mixed-app.sym}}
      "mixed-app"}
-    {"Mixed ARM/Thumb arch5 dynamic application" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx" ""
+    {"Mixed ARM/Thumb arch5 dynamic application" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx -O0" ""
      {mixed-app.s}
      {{objdump -fdw mixed-app-v5.d} {objdump -Rw mixed-app.r}
       {readelf -Ds mixed-app.sym}}
@@ -132,7 +132,7 @@
     {"TLS shared library" "-shared -T arm-lib.ld" "" {tls-lib.s}
      {{objdump -fdw tls-lib.d} {objdump -Rw tls-lib.r}}
      "tls-lib.so"}
-    {"TLS dynamic application" "-T arm-dyn.ld tmpdir/tls-lib.so" "" {tls-app.s}
+    {"TLS dynamic application" "-T arm-dyn.ld tmpdir/tls-lib.so -O0" "" {tls-app.s}
      {{objdump -fdw tls-app.d} {objdump -Rw tls-app.r}}
      "tls-app"}
     {"Thumb entry point" "-T arm.ld" "" {thumb-entry.s}
@@ -220,7 +220,7 @@
     {"arm-pic-veneer" "-static -T arm.ld --pic-veneer" "" {arm-pic-veneer.s}
      {{objdump -d arm-pic-veneer.d}}
      "arm-pic-veneer"}
-    {"Preempt Thumb symbol" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx" ""
+    {"Preempt Thumb symbol" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx -O0" ""
      {preempt-app.s}
      {{readelf -Ds preempt-app.sym}}
      "preempt-app"}
@@ -403,18 +403,18 @@
      {{objdump -d farcall-group-limit.d}}
      "farcall-group-limit"}
 
-    {"Mixed ARM/Thumb dynamic application with farcalls" "tmpdir/mixed-lib.so -T arm-dyn.ld --section-start .far_arm=0x2100000 --section-start .far_thumb=0x2200000" ""
+    {"Mixed ARM/Thumb dynamic application with farcalls" "tmpdir/mixed-lib.so -T arm-dyn.ld --section-start .far_arm=0x2100000 --section-start .far_thumb=0x2200000 -O0" ""
      {farcall-mixed-app.s}
      {{objdump -fdw farcall-mixed-app.d} {objdump -Rw farcall-mixed-app.r}
       {readelf -Ds farcall-mixed-app.sym}}
      "farcall-mixed-app"}
-    {"Mixed ARM/Thumb arch5 dynamic application with farcalls" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx --section-start .far_arm=0x2100000 --section-start .far_thumb=0x2200000" ""
+    {"Mixed ARM/Thumb arch5 dynamic application with farcalls" "tmpdir/mixed-lib.so -T arm-dyn.ld --use-blx --section-start .far_arm=0x2100000 --section-start .far_thumb=0x2200000 -O0" ""
      {farcall-mixed-app.s}
      {{objdump -fdw farcall-mixed-app-v5.d} {objdump -Rw farcall-mixed-app.r}
       {readelf -Ds farcall-mixed-app.sym}}
      "farcall-mixed-app-v5"}
 
-    {"Mixed ARM/Thumb shared library with long branches" "-shared -T arm-lib.ld" ""
+    {"Mixed ARM/Thumb shared library with long branches" "-shared -T arm-lib.ld -O0" ""
      {farcall-mixed-lib1.s farcall-mixed-lib2.s}
      {{objdump -fdw farcall-mixed-lib.d}}
      "farcall-mixed-lib.so"}
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-elf/hash.d binutils-2.19.51/ld/testsuite/ld-elf/hash.d
--- binutils-2.19.51.orig/ld/testsuite/ld-elf/hash.d	2007-10-09 13:32:50.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-elf/hash.d	2009-10-12 11:06:16.890884399 +0000
@@ -1,6 +1,6 @@
 #source: start.s
 #readelf: -d -s -D
-#ld: -shared --hash-style=gnu
+#ld: -O0 -shared --hash-style=gnu
 #target: *-*-linux*
 #notarget: mips*-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-i386/hidden2.d binutils-2.19.51/ld/testsuite/ld-i386/hidden2.d
--- binutils-2.19.51.orig/ld/testsuite/ld-i386/hidden2.d	2008-03-16 22:26:23.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-i386/hidden2.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,5 +1,5 @@
 #as: --32
-#ld: -shared -melf_i386
+#ld: -O0 -shared -melf_i386
 #objdump: -drw
 
 .*: +file format .*
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-i386/i386.exp binutils-2.19.51/ld/testsuite/ld-i386/i386.exp
--- binutils-2.19.51.orig/ld/testsuite/ld-i386/i386.exp	2009-09-02 07:25:40.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-i386/i386.exp	2009-10-12 11:08:55.817854586 +0000
@@ -122,7 +122,7 @@
      {{readelf -Ssrl tlspic.rd} {objdump -drj.text tlspic.dd}
       {objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
       "libtlspic.so"}
-    {"TLS descriptor -fpic -shared transitions" "-shared -melf_i386"
+    {"TLS descriptor -fpic -shared transitions" "-shared -melf_i386 -O0"
      "--32" {tlsdesc.s tlspic2.s}
      {{readelf -Ssrl tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
       {objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}}
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-1-local-x86.d binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-1-local-x86.d
--- binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-1-local-x86.d	2009-07-10 14:30:21.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-1-local-x86.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,4 +1,4 @@
-#ld: -shared
+#ld: -shared -O0
 #objdump: -dw
 #target: x86_64-*-* i?86-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-1-x86.d binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-1-x86.d
--- binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-1-x86.d	2009-07-10 14:30:21.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-1-x86.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,4 +1,4 @@
-#ld: -shared
+#ld: -shared -O0
 #objdump: -dw
 #target: x86_64-*-* i?86-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d
--- binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d	2009-07-10 14:03:03.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-2-local-x86-64.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,5 +1,5 @@
 #as: --64
-#ld: -shared -melf_x86_64
+#ld: -shared -melf_x86_64 -O0
 #objdump: -dw
 #target: x86_64-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d
--- binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d	2009-07-10 14:03:03.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-2-x86-64.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,5 +1,5 @@
 #as: --64
-#ld: -shared -melf_x86_64
+#ld: -shared -melf_x86_64 -O0
 #objdump: -dw
 #target: x86_64-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-3a-x86.d binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-3a-x86.d
--- binutils-2.19.51.orig/ld/testsuite/ld-ifunc/ifunc-3a-x86.d	2009-07-10 14:30:21.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-ifunc/ifunc-3a-x86.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,5 +1,5 @@
 #source: ifunc-3-x86.s
-#ld: -shared
+#ld: -shared -O0
 #objdump: -dw
 #target: x86_64-*-* i?86-*-*
 
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-x86-64/hidden2.d binutils-2.19.51/ld/testsuite/ld-x86-64/hidden2.d
--- binutils-2.19.51.orig/ld/testsuite/ld-x86-64/hidden2.d	2008-03-16 22:26:23.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-x86-64/hidden2.d	2009-10-12 11:06:16.894887888 +0000
@@ -1,5 +1,5 @@
 #as: --64
-#ld: -shared -melf_x86_64
+#ld: -O0 -shared -melf_x86_64
 #objdump: -drw
 
 .*: +file format .*
diff -Naur binutils-2.19.51.orig/ld/testsuite/ld-x86-64/x86-64.exp binutils-2.19.51/ld/testsuite/ld-x86-64/x86-64.exp
--- binutils-2.19.51.orig/ld/testsuite/ld-x86-64/x86-64.exp	2009-09-02 07:25:42.000000000 +0000
+++ binutils-2.19.51/ld/testsuite/ld-x86-64/x86-64.exp	2009-10-12 11:06:16.894887888 +0000
@@ -42,7 +42,7 @@
      {{readelf -WSsrl tlspic.rd} {objdump -drj.text tlspic.dd}
       {objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
       "libtlspic.so"}
-    {"TLS descriptor -fpic -shared transitions" "-shared -melf_x86_64"
+    {"TLS descriptor -fpic -shared transitions" "-shared -melf_x86_64 -O0"
      "--64" {tlsdesc.s tlspic2.s}
      {{readelf -WSsrld tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
       {objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}
@@ -60,7 +60,7 @@
       {objdump -sj.got tlsbindesc.sd} {objdump -sj.tdata tlsbindesc.td}}
       "tlsbindesc"}
     {"TLS with global dynamic and descriptors"
-	"-shared -melf_x86_64" "--64" {tlsgdesc.s}
+	"-shared -melf_x86_64 -O0" "--64" {tlsgdesc.s}
      {{readelf -WSsrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
       "libtlsgdesc.so"}
     {"TLS in debug sections" "-melf_x86_64"