diff --git a/tests/all.tests b/tests/all.tests
index 8492d59..e9f6979 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -550,6 +550,7 @@ add_plain_test(shaders, 'glsl-link-initializer-03')
 add_plain_test(shaders, 'glsl-link-initializer-04')
 add_plain_test(shaders, 'glsl-link-initializer-05')
 add_plain_test(shaders, 'glsl-link-initializer-06')
+add_plain_test(shaders, 'glsl-link-invariant-01')
 add_shader_generic(shaders, 'glsl-override-builtin')
 add_plain_test(shaders, 'glsl-kwin-blur')
 
diff --git a/tests/shaders/CMakeLists.txt b/tests/shaders/CMakeLists.txt
index 4742aac..28516e2 100644
--- a/tests/shaders/CMakeLists.txt
+++ b/tests/shaders/CMakeLists.txt
@@ -96,6 +96,7 @@ add_executable (glsl-link-initializer-03 glsl-link-initializer-03.c)
 add_executable (glsl-link-initializer-04 glsl-link-initializer-04.c)
 add_executable (glsl-link-initializer-05 glsl-link-initializer-05.c)
 add_executable (glsl-link-initializer-06 glsl-link-initializer-06.c)
+add_executable (glsl-link-invariant-01 glsl-link-invariant-01.c)
 add_executable (vp-address-01 vp-address-01.c)
 add_executable (vp-address-02 vp-address-02.c)
 add_executable (vp-address-03 vp-address-03.c)
diff --git a/tests/shaders/glsl-link-invariant-01.c b/tests/shaders/glsl-link-invariant-01.c
new file mode 100644
index 0000000..fedec7b
--- /dev/null
+++ b/tests/shaders/glsl-link-invariant-01.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/**
+ * \file glsl-link-invariant-01.c
+ * C file derived from glsl-link-initializer-01.c
+ *
+ * Negative test for inconsistent invariant qualifier usage between vertex 
+ * shaders.
+ *
+ * Both vertex shaders involved in this test have a varying float variable
+ * with the same name. But the first shader declares it with the invariant
+ * qualifier while the second not. 
+ * The test verifies that linking the 2 shaders together results in an error, 
+ * according to GLSL 1.20 section 4.3.6:
+ * The type and presence of the invariant qualifiers of varying variables with
+ * the same name declared in linked vertex and fragments shaders must match,
+ * otherwise the link command will fail.
+ *
+ * \author Gordon Jin
+ */
+
+#include "piglit-util.h"
+
+int piglit_width = 100, piglit_height = 100;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAILURE;
+}
+
+/**
+ * Don't use piglit_link_check_status because it will log a message to stderr
+ * when the link fails.  Since this test wants the link to fail, logging an
+ * error message will cause the test to be listed as "warn" instead of "pass".
+ */
+GLboolean
+link_check_status(GLint prog)
+{
+	GLint ok;
+
+	glGetProgramiv(prog, GL_LINK_STATUS, &ok);
+	if (!ok) {
+		GLchar *info;
+		GLint size;
+
+		glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &size);
+		info = malloc(size);
+
+		glGetProgramInfoLog(prog, size, NULL, info);
+		printf("Failed to link: %s\n", info);
+
+		free(info);
+	}
+
+	return ok;
+}
+
+void piglit_init(int argc, char **argv)
+{
+	GLint vert[2];
+	GLint prog;
+	GLboolean ok;
+
+	if (!GLEW_VERSION_2_0) {
+		printf("Requires OpenGL 2.0\n");
+		piglit_report_result(PIGLIT_SKIP);
+	}
+
+	vert[0] =
+		piglit_compile_shader(GL_VERTEX_SHADER,
+				      "shaders/glsl-link-invariant-01a.vert");
+	vert[1] =
+		piglit_compile_shader(GL_VERTEX_SHADER,
+				      "shaders/glsl-link-invariant-01b.vert");
+	prog = glCreateProgram();
+	glAttachShader(prog, vert[0]);
+	glAttachShader(prog, vert[1]);
+	glLinkProgram(prog);
+
+	ok = link_check_status(prog);
+	if (ok)
+		fprintf(stderr,
+			"Program should have failed linking, but "
+			"it was (incorrectly) successful.\n");
+
+	piglit_report_result((!ok) ? PIGLIT_SUCCESS : PIGLIT_FAILURE);
+}
+
diff --git a/tests/shaders/glsl-link-invariant-01a.vert b/tests/shaders/glsl-link-invariant-01a.vert
new file mode 100644
index 0000000..0783ac9
--- /dev/null
+++ b/tests/shaders/glsl-link-invariant-01a.vert
@@ -0,0 +1,7 @@
+#version 120
+invariant varying float var;
+
+void main()
+{
+  gl_Position = gl_Vertex;
+}
diff --git a/tests/shaders/glsl-link-invariant-01b.vert b/tests/shaders/glsl-link-invariant-01b.vert
new file mode 100644
index 0000000..680572a
--- /dev/null
+++ b/tests/shaders/glsl-link-invariant-01b.vert
@@ -0,0 +1,6 @@
+#version 120
+varying float var;
+
+void myfunc()
+{
+}