diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 07b4de055674..54ed530f8075 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR target/42850
+	Revert:
+	2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
+
 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* doc/install.texi: Update recommended GMP/MPFR/MPC versions.
diff --git a/gcc/config/pa/t-slibgcc-dwarf-ver b/gcc/config/pa/t-slibgcc-dwarf-ver
index 062f746c0692..fa4688d6994b 100644
--- a/gcc/config/pa/t-slibgcc-dwarf-ver
+++ b/gcc/config/pa/t-slibgcc-dwarf-ver
@@ -1,3 +1,3 @@
 # Set the version number of the shared libgcc library (DWARF2 EH).
 
-SHLIB_SOVERSION = 6
+SHLIB_SOVERSION = 4