diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index 33490f60285..fb576cb4c97 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -3884,10 +3884,11 @@ d_clone_suffix (struct d_info *di, struct demangle_component *encoding)
   const char *pend = suffix;
   struct demangle_component *n;
 
-  if (*pend == '.' && (IS_LOWER (pend[1]) || pend[1] == '_'))
+  if (*pend == '.' && (IS_LOWER (pend[1]) || IS_DIGIT (pend[1])
+		       || pend[1] == '_'))
     {
       pend += 2;
-      while (IS_LOWER (*pend) || *pend == '_')
+      while (IS_LOWER (*pend) || IS_DIGIT (*pend) || *pend == '_')
 	++pend;
     }
   while (*pend == '.' && IS_DIGIT (pend[1]))
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index 19a0d621bc0..de54ad73cc8 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -1164,6 +1164,11 @@ foo(int) [clone ._omp_cpyfn.6]
 foo
 #
 --format=gnu-v3 --no-params
+_Z3fooPfS_S_j.sse4_1.2
+foo(float*, float*, float*, unsigned int) [clone .sse4_1.2]
+foo
+#
+--format=gnu-v3 --no-params
 _Z1fIKFvvES0_Evv
 void f<void () const, void () const>()
 f<void () const, void () const>