--- a/hotspot/make/solaris/makefiles/gcc.make	Tue Nov 25 21:00:21 2014 -0500
+++ b/hotspot/make/solaris/makefiles/gcc.make	Wed Nov 26 17:32:39 2014 +0100
@@ -226,18 +226,8 @@
 # Allow no optimizations.
 DEBUG_CFLAGS=-O0
 
-# Use the stabs format for debugging information (this is the default
-# on gcc-2.91). It's good enough, has all the information about line
-# numbers and local variables, and libjvm.so is only about 16M.
-# Change this back to "-g" if you want the most expressive format.
-# (warning: that could easily inflate libjvm.so to 150M!)
-# Note: The Itanium gcc compiler crashes when using -gstabs.
-DEBUG_CFLAGS/ia64  = -g
-DEBUG_CFLAGS/amd64 = -g
-DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
-ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
-  DEBUG_CFLAGS += -gstabs
-endif
+# Enable debug symbols
+DEBUG_CFLAGS += -g
 
 # Enable bounds checking.
 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "1"

--- a/hotspot/make/solaris/makefiles/sparcWorks.make	Tue Nov 25 21:00:21 2014 -0500
+++ b/hotspot/make/solaris/makefiles/sparcWorks.make	Wed Nov 26 17:32:39 2014 +0100
@@ -496,15 +496,6 @@
   FASTDEBUG_CFLAGS += -xs
 endif
 
-# Special global options for SS12
-ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 509), 1)
-  # There appears to be multiple issues with the new Dwarf2 debug format, so
-  #   we tell the compiler to use the older 'stabs' debug format all the time.
-  #   Note that this needs to be used in optimized compiles too to be 100%.
-  #   This is a workaround for SS12 (5.9) bug 6694600
-  CFLAGS += -xdebugformat=stabs
-endif
-
 # Enable the following CFLAGS additions if you need to compare the
 # built ELF objects.
 #