1 files changed, 24 insertions, 0 deletions
diff --git a/tests/glsl/flat-in-float.slang b/tests/glsl/flat-in-float.slang
new file mode 100644
index 000000000..895e3c058
--- /dev/null
+++ b/tests/glsl/flat-in-float.slang
@@ -0,0 +1,24 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -stage fragment -entry main -allow-glsl -emit-spirv-directly
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -stage fragment -entry main -allow-glsl
+
+#version 310 es
+precision highp float;
+precision highp int;
+
+layout(location = 0) out mediump vec4 dEQP_FragColor;
+
+bool isOk(float a, float b)   { return (a == b); }
+
+layout(location = 0) flat in float out0;
+layout(binding = 0, std140) uniform Reference
+{
+	uint out0;
+} ref;
+
+void main()
+{
+	bool RES = isOk(out0, ref.out0);
+    dEQP_FragColor = vec4(RES, RES, RES, 1.0);
+    // CHECK: OpDecorate {{.*}} Flat
+}
+