diff --git a/Test/baseResults/spv.8bit-16bit-construction.frag.out b/Test/baseResults/spv.8bit-16bit-construction.frag.out
new file mode 100644
index 00000000..6cb9dc16
--- /dev/null
+++ b/Test/baseResults/spv.8bit-16bit-construction.frag.out
@@ -0,0 +1,82 @@
+spv.8bit-16bit-construction.frag
+Validation failed
+// Module Version 10000
+// Generated by (magic number): 80008
+// Id's are bound by 43
+
+                              Capability Shader
+                              Capability StorageUniformBufferBlock16
+                              Capability UniformAndStorageBuffer8BitAccess
+                              Extension  "SPV_KHR_16bit_storage"
+                              Extension  "SPV_KHR_8bit_storage"
+               1:             ExtInstImport  "GLSL.std.450"
+                              MemoryModel Logical GLSL450
+                              EntryPoint Fragment 4  "main"
+                              ExecutionMode 4 OriginUpperLeft
+                              Source GLSL 450
+                              SourceExtension  "GL_EXT_shader_16bit_storage"
+                              SourceExtension  "GL_EXT_shader_8bit_storage"
+                              Name 4  "main"
+                              Name 11  "B"
+                              MemberName 11(B) 0  "i8_from_i16"
+                              MemberName 11(B) 1  "i16_from_i8"
+                              MemberName 11(B) 2  "u8_from_u16"
+                              MemberName 11(B) 3  "u16_from_u8"
+                              MemberName 11(B) 4  "f16_from_i8"
+                              Name 13  ""
+                              MemberDecorate 11(B) 0 Offset 0
+                              MemberDecorate 11(B) 1 Offset 2
+                              MemberDecorate 11(B) 2 Offset 4
+                              MemberDecorate 11(B) 3 Offset 6
+                              MemberDecorate 11(B) 4 Offset 8
+                              Decorate 11(B) BufferBlock
+                              Decorate 13 DescriptorSet 0
+                              Decorate 13 Binding 0
+               2:             TypeVoid
+               3:             TypeFunction 2
+               6:             TypeInt 8 1
+               7:             TypeInt 16 1
+               8:             TypeInt 8 0
+               9:             TypeInt 16 0
+              10:             TypeFloat 16
+           11(B):             TypeStruct 6(int8_t) 7(int16_t) 8(int8_t) 9(int16_t) 10(float16_t)
+              12:             TypePointer Uniform 11(B)
+              13:     12(ptr) Variable Uniform
+              14:             TypeInt 32 1
+              15:     14(int) Constant 0
+              16:     14(int) Constant 1
+              19:             TypePointer Uniform 6(int8_t)
+              23:             TypePointer Uniform 7(int16_t)
+              25:     14(int) Constant 2
+              26:             TypeInt 32 0
+              27:     26(int) Constant 1
+              30:             TypePointer Uniform 8(int8_t)
+              32:     14(int) Constant 3
+              35:             TypePointer Uniform 9(int16_t)
+              37:     14(int) Constant 4
+              39:             TypeFloat 32
+              41:             TypePointer Uniform 10(float16_t)
+         4(main):           2 Function None 3
+               5:             Label
+              17:  7(int16_t) SConvert 16
+              18:   6(int8_t) SConvert 17
+              20:     19(ptr) AccessChain 13 15
+                              Store 20 18
+              21:   6(int8_t) SConvert 16
+              22:  7(int16_t) SConvert 21
+              24:     23(ptr) AccessChain 13 16
+                              Store 24 22
+              28:  9(int16_t) UConvert 27
+              29:   8(int8_t) UConvert 28
+              31:     30(ptr) AccessChain 13 25
+                              Store 31 29
+              33:   8(int8_t) UConvert 27
+              34:  9(int16_t) UConvert 33
+              36:     35(ptr) AccessChain 13 32
+                              Store 36 34
+              38:   6(int8_t) SConvert 16
+              40:10(float16_t) FConvert 38
+              42:     41(ptr) AccessChain 13 37
+                              Store 42 40
+                              Return
+                              FunctionEnd
diff --git a/Test/spv.8bit-16bit-construction.frag b/Test/spv.8bit-16bit-construction.frag
new file mode 100644
index 00000000..573fa548
--- /dev/null
+++ b/Test/spv.8bit-16bit-construction.frag
@@ -0,0 +1,22 @@
+#version 450 core
+
+#extension GL_EXT_shader_8bit_storage : enable
+#extension GL_EXT_shader_16bit_storage : enable
+
+buffer B
+{
+    int8_t i8_from_i16;
+    int16_t i16_from_i8;
+    uint8_t u8_from_u16;
+    uint16_t u16_from_u8;
+    float16_t f16_from_i8;
+};
+
+void main()
+{
+    i8_from_i16 = int8_t(int16_t(1));
+    i16_from_i8 = int16_t(int8_t(1));
+    u8_from_u16 = uint8_t(uint16_t(1));
+    u16_from_u8 = uint16_t(uint8_t(1));
+    f16_from_i8 = float16_t(int8_t(1));
+}
diff --git a/glslang/MachineIndependent/ParseHelper.cpp b/glslang/MachineIndependent/ParseHelper.cpp
index e31bff51..c5831302 100644
--- a/glslang/MachineIndependent/ParseHelper.cpp
+++ b/glslang/MachineIndependent/ParseHelper.cpp
@@ -2,7 +2,7 @@
 // Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
 // Copyright (C) 2012-2015 LunarG, Inc.
 // Copyright (C) 2015-2018 Google, Inc.
-// Copyright (C) 2017 ARM Limited.
+// Copyright (C) 2017, 2019 ARM Limited.
 //
 // All rights reserved.
 //
diff --git a/gtests/Spv.FromFile.cpp b/gtests/Spv.FromFile.cpp
index ce5960c8..0e46e790 100644
--- a/gtests/Spv.FromFile.cpp
+++ b/gtests/Spv.FromFile.cpp
@@ -1,5 +1,6 @@
  //
 // Copyright (C) 2016 Google, Inc.
+// Copyright (C) 2019 ARM Limited.
 //
 // All rights reserved.
 //
@@ -263,6 +264,7 @@ INSTANTIATE_TEST_CASE_P(
         "spv.8bitstorage_Error-uint.frag",
         "spv.8bitstorage-ubo.vert",
         "spv.8bitstorage-ssbo.vert",
+        "spv.8bit-16bit-construction.frag",
         "spv.accessChain.frag",
         "spv.aggOps.frag",
         "spv.always-discard.frag",