[Piglit] [PATCH] glsl-1.10: test that redeclaring a variable with a different type is illegal

[Jose Fonseca]

----- Original Message -----
> This passes w/ Mesa but crashes NVIDIA's driver.
> ---
>  .../declarations/bad-variable-redeclaration.frag   |   29
>  ++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644
>  tests/spec/glsl-1.10/compiler/declarations/bad-variable-redeclaration.frag
> 
> diff --git
> a/tests/spec/glsl-1.10/compiler/declarations/bad-variable-redeclaration.frag
> b/tests/spec/glsl-1.10/compiler/declarations/bad-variable-redeclaration.frag
> new file mode 100644
> index 0000000..1354f14
> --- /dev/null
> +++
> b/tests/spec/glsl-1.10/compiler/declarations/bad-variable-redeclaration.frag
> @@ -0,0 +1,29 @@
> +/* [config]
> + * expect_result: fail
> + * glsl_version: 1.10
> + * [end config]
> + */
> +
> +
> +// This test checks that the compiler generates an error if we try
> +// declare two variables and a function with the same name.
> +// NVIDIA's 325.15 driver crashes on this.
> +
> +varying float color;
> +
> +float foo;
> +
> +// Redeclaring foo here should generate an error
> +int foo;
> +
> +// This causes NVIDIA's driver to crash:
> +vec4 foo(float v)
> +{
> +   return vec4(v);
> +}
> +
> +void main()
> +{
> +	gl_FragColor = color;
> +}
> +
> --
> 1.7.10.4
> 
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> 

Reviewed-by: Jose Fonseca <jfonseca at vmware.com>