6 files changed, 18 insertions, 8 deletions
diff --git a/config/gnu-warnings/4.8 b/config/gnu-warnings/4.8
index 102ed3e..b4eecdf 100644
--- a/config/gnu-warnings/4.8
+++ b/config/gnu-warnings/4.8
@@ -7,9 +7,6 @@
 -Wpacked-bitfield-compat
 -Wsync-nand
 
-# warning flag added for GCC >= 4.5
--Wstrict-overflow=2
-
 # This warning can only be truly addressed using the gcc extension of
 # using D to indicate doubles (e.g., 1.23D).
 -Wno-unsuffixed-float-constants
diff --git a/config/gnu-warnings/cxx-4.8 b/config/gnu-warnings/cxx-4.8
index 6f920b2..3bbcbf6 100644
--- a/config/gnu-warnings/cxx-4.8
+++ b/config/gnu-warnings/cxx-4.8
@@ -7,9 +7,6 @@
 -Wpacked-bitfield-compat
 -Wsync-nand
 
-# warning flag added for GCC >= 4.5
--Wstrict-overflow=2
-
 # warning flags added for GCC >= 4.6
 -Wdouble-promotion
 -Wtrampolines
diff --git a/config/gnu-warnings/cxx-developer-4.8 b/config/gnu-warnings/cxx-developer-4.8
index e0d975f..f5fbdad 100644
--- a/config/gnu-warnings/cxx-developer-4.8
+++ b/config/gnu-warnings/cxx-developer-4.8
@@ -1,5 +1,10 @@
-# developer warning flags added for GCC >= 4.5
+# developer warning flag added for GCC >= 4.5
 #
+# strict-overflow level 5 catches a LOT of false positives, but is useful
+# for detecting overflow conditions.
+#
+-Wstrict-overflow=5
+
 # developer warning flag added for GCC >= 4.6
 -Wsuggest-attribute=const
 
diff --git a/config/gnu-warnings/developer-4.8 b/config/gnu-warnings/developer-4.8
index bfd15a1..be7720c 100644
--- a/config/gnu-warnings/developer-4.8
+++ b/config/gnu-warnings/developer-4.8
@@ -6,6 +6,13 @@
 #
 -Wjump-misses-init
 
+# developer warning flag added for GCC >= 4.5
+#
+# strict-overflow level 5 catches a LOT of false positives, but is useful
+# for detecting overflow conditions.
+#
+-Wstrict-overflow=5
+
 # developer warning flag added for GCC >= 4.6
 -Wsuggest-attribute=const
 
diff --git a/config/gnu-warnings/no-cxx-developer-4.8 b/config/gnu-warnings/no-cxx-developer-4.8
index 3c3de93..d4d00e3 100644
--- a/config/gnu-warnings/no-cxx-developer-4.8
+++ b/config/gnu-warnings/no-cxx-developer-4.8
@@ -1,3 +1,6 @@
+# no-developer warning flag added for GCC >= 4.5
+-Wstrict-overflow=2
+
 # no-developer warning flag added for GCC >= 4.6
 -Wno-suggest-attribute=const
 
diff --git a/config/gnu-warnings/no-developer-4.8 b/config/gnu-warnings/no-developer-4.8
index 09a9a96..412b907 100644
--- a/config/gnu-warnings/no-developer-4.8
+++ b/config/gnu-warnings/no-developer-4.8
@@ -1,5 +1,6 @@
-# no-developer warning flag added for GCC >= 4.5
+# no-developer warning flags added for GCC >= 4.5
 -Wno-jump-misses-init
+-Wstrict-overflow=2
 
 # no-developer warning flag added for GCC >= 4.6
 -Wno-suggest-attribute=const