diff --git a/test/bug/tint/369.wgsl b/test/bug/tint/369.wgsl
new file mode 100644
index 0000000..db09448
--- /dev/null
+++ b/test/bug/tint/369.wgsl
@@ -0,0 +1,6 @@
+[[block]] struct S {
+    m : mat2x2<f32>;
+};
+
+[[group(0), binding(0)]] var<storage> SSBO : S;
+[[group(0), binding(0)]] var<uniform> UBO : S;
diff --git a/test/bug/tint/369.wgsl.expected.hlsl b/test/bug/tint/369.wgsl.expected.hlsl
new file mode 100644
index 0000000..f7ba4cf
--- /dev/null
+++ b/test/bug/tint/369.wgsl.expected.hlsl
@@ -0,0 +1,9 @@
+[numthreads(1, 1, 1)]
+void unused_entry_point() {
+  return;
+}
+
+ByteAddressBuffer SSBO : register(t0, space0);
+cbuffer cbuffer_UBO : register(b0, space0) {
+  uint4 UBO[1];
+};
diff --git a/test/bug/tint/369.wgsl.expected.msl b/test/bug/tint/369.wgsl.expected.msl
new file mode 100644
index 0000000..65ebdfb
--- /dev/null
+++ b/test/bug/tint/369.wgsl.expected.msl
@@ -0,0 +1,7 @@
+#include <metal_stdlib>
+
+using namespace metal;
+struct S {
+  /* 0x0000 */ float2x2 m;
+};
+
diff --git a/test/bug/tint/369.wgsl.expected.spvasm b/test/bug/tint/369.wgsl.expected.spvasm
new file mode 100644
index 0000000..f71cf08
--- /dev/null
+++ b/test/bug/tint/369.wgsl.expected.spvasm
@@ -0,0 +1,38 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 13
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
+               OpExecutionMode %unused_entry_point LocalSize 1 1 1
+               OpName %S "S"
+               OpMemberName %S 0 "m"
+               OpName %SSBO "SSBO"
+               OpName %UBO "UBO"
+               OpName %unused_entry_point "unused_entry_point"
+               OpDecorate %S Block
+               OpMemberDecorate %S 0 Offset 0
+               OpMemberDecorate %S 0 ColMajor
+               OpMemberDecorate %S 0 MatrixStride 8
+               OpDecorate %SSBO NonWritable
+               OpDecorate %SSBO DescriptorSet 0
+               OpDecorate %SSBO Binding 0
+               OpDecorate %UBO NonWritable
+               OpDecorate %UBO DescriptorSet 0
+               OpDecorate %UBO Binding 0
+      %float = OpTypeFloat 32
+    %v2float = OpTypeVector %float 2
+%mat2v2float = OpTypeMatrix %v2float 2
+          %S = OpTypeStruct %mat2v2float
+%_ptr_StorageBuffer_S = OpTypePointer StorageBuffer %S
+       %SSBO = OpVariable %_ptr_StorageBuffer_S StorageBuffer
+%_ptr_Uniform_S = OpTypePointer Uniform %S
+        %UBO = OpVariable %_ptr_Uniform_S Uniform
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%unused_entry_point = OpFunction %void None %9
+         %12 = OpLabel
+               OpReturn
+               OpFunctionEnd
diff --git a/test/bug/tint/369.wgsl.expected.wgsl b/test/bug/tint/369.wgsl.expected.wgsl
new file mode 100644
index 0000000..72de20d
--- /dev/null
+++ b/test/bug/tint/369.wgsl.expected.wgsl
@@ -0,0 +1,8 @@
+[[block]]
+struct S {
+  m : mat2x2<f32>;
+};
+
+[[group(0), binding(0)]] var<storage> SSBO : S;
+
+[[group(0), binding(0)]] var<uniform> UBO : S;