Test/hlsl.void.frag - third_party/glslang - Git at Google

 void foo1() {}
 void foo2(void) {}

 float4 PixelShaderFunction(float4 input) : COLOR0
 {
     foo1();
     foo2();
 }
	void foo1() {}
	void foo2(void) {}

	float4 PixelShaderFunction(float4 input) : COLOR0
	{
	foo1();
	foo2();
	}