diff --git a/coregrind/vg_clientfuncs.c b/coregrind/vg_clientfuncs.c
index 80bdae671..c71b6db49 100644
--- a/coregrind/vg_clientfuncs.c
+++ b/coregrind/vg_clientfuncs.c
@@ -107,7 +107,6 @@ void* malloc ( Int n )
    return (void*)v;
 }
 
-
 void* __builtin_new ( Int n )
 {
    void* v;
@@ -133,6 +132,11 @@ void* __builtin_new ( Int n )
    return v;
 }
 
+/* gcc 3.X.X mangles them differently. */
+void* _Znwj ( Int n )
+{
+  return __builtin_new(n);
+}
 
 void* __builtin_vec_new ( Int n )
 {
@@ -159,6 +163,11 @@ void* __builtin_vec_new ( Int n )
    return v;
 }
 
+/* gcc 3.X.X mangles them differently. */
+void* _Znaj ( Int n )
+{
+  return __builtin_vec_new(n);
+}
 
 void free ( void* p )
 {
@@ -174,7 +183,6 @@ void free ( void* p )
    }
 }
 
-
 void __builtin_delete ( void* p )
 {
    if (VG_(clo_trace_malloc))
@@ -189,6 +197,11 @@ void __builtin_delete ( void* p )
    }
 }
 
+/* gcc 3.X.X mangles them differently. */
+void _ZdlPv ( void* p )
+{
+  __builtin_delete(p);
+}
 
 void __builtin_vec_delete ( void* p )
 {
@@ -204,6 +217,11 @@ void __builtin_vec_delete ( void* p )
    }
 }
 
+/* gcc 3.X.X mangles them differently. */
+void _ZdaPv ( void* p )
+{
+  __builtin_vec_delete(p);
+}
 
 void* calloc ( Int nmemb, Int size )
 {
diff --git a/vg_clientfuncs.c b/vg_clientfuncs.c
index 80bdae671..c71b6db49 100644
--- a/vg_clientfuncs.c
+++ b/vg_clientfuncs.c
@@ -107,7 +107,6 @@ void* malloc ( Int n )
    return (void*)v;
 }
 
-
 void* __builtin_new ( Int n )
 {
    void* v;
@@ -133,6 +132,11 @@ void* __builtin_new ( Int n )
    return v;
 }
 
+/* gcc 3.X.X mangles them differently. */
+void* _Znwj ( Int n )
+{
+  return __builtin_new(n);
+}
 
 void* __builtin_vec_new ( Int n )
 {
@@ -159,6 +163,11 @@ void* __builtin_vec_new ( Int n )
    return v;
 }
 
+/* gcc 3.X.X mangles them differently. */
+void* _Znaj ( Int n )
+{
+  return __builtin_vec_new(n);
+}
 
 void free ( void* p )
 {
@@ -174,7 +183,6 @@ void free ( void* p )
    }
 }
 
-
 void __builtin_delete ( void* p )
 {
    if (VG_(clo_trace_malloc))
@@ -189,6 +197,11 @@ void __builtin_delete ( void* p )
    }
 }
 
+/* gcc 3.X.X mangles them differently. */
+void _ZdlPv ( void* p )
+{
+  __builtin_delete(p);
+}
 
 void __builtin_vec_delete ( void* p )
 {
@@ -204,6 +217,11 @@ void __builtin_vec_delete ( void* p )
    }
 }
 
+/* gcc 3.X.X mangles them differently. */
+void _ZdaPv ( void* p )
+{
+  __builtin_vec_delete(p);
+}
 
 void* calloc ( Int nmemb, Int size )
 {