diff --git a/clang/lib/Parse/ParseOpenMP.cpp b/clang/lib/Parse/ParseOpenMP.cpp
index a62c68b39f1ad..aaef4cd36d3bd 100644
--- a/clang/lib/Parse/ParseOpenMP.cpp
+++ b/clang/lib/Parse/ParseOpenMP.cpp
@@ -430,7 +430,7 @@ void Parser::ParseOpenMPReductionInitializerForDecl(VarDecl *OmpPrivParm) {
     }
 
     PreferredType.enterVariableInit(Tok.getLocation(), OmpPrivParm);
-    ExprResult Init = ParseAssignmentExpression();
+    ExprResult Init = ParseInitializer();
 
     if (Init.isInvalid()) {
       SkipUntil(tok::r_paren, tok::annot_pragma_openmp_end, StopBeforeMatch);
diff --git a/clang/test/OpenMP/declare_reduction_messages.c b/clang/test/OpenMP/declare_reduction_messages.c
index 4a0d6ef4028d3..69b73f4c72b53 100644
--- a/clang/test/OpenMP/declare_reduction_messages.c
+++ b/clang/test/OpenMP/declare_reduction_messages.c
@@ -45,6 +45,8 @@ struct S {
   int s;
 };
 #pragma omp declare reduction(+: struct S: omp_out.s += omp_in.s) // initializer(omp_priv = { .s = 0 })
+#pragma omp declare reduction(&: struct S: omp_out.s += omp_in.s) initializer(omp_priv = { .s = 0 })
+#pragma omp declare reduction(|: struct S: omp_out.s += omp_in.s) initializer(omp_priv = { 0 })
 
 int fun(int arg) {
   struct S s;// expected-note {{'s' defined here}}