[Piglit] [PATCH] varying-packing-simple: Add NORETURN attribute to print_usage_and_exit.

[Vinson Lee]

Silence clang sometimes-uninitialized warnings.

simple.c:368:6: warning: variable 'test_type' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
        if (all_types[i])
            ^~~~~~~~~~~~
simple.c:380:30: note: uninitialized use occurs here
        piglit_require_GLSL_version(test_type->glsl_version_required);
                                    ^~~~~~~~~
simple.c:368:2: note: remove the 'if' if its condition is always true
        if (all_types[i])
        ^~~~~~~~~~~~~~~~~
simple.c:355:35: note: initialize the variable 'test_type' to silence this warning
        const struct type_desc *test_type;
                                         ^
                                          = NULL
simple.c:374:11: warning: variable 'test_array' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
        else if (strcmp(argv[2], "separate") == 0)
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
simple.c:385:12: note: uninitialized use occurs here
                                       test_array, max_varying_floats);
                                       ^~~~~~~~~~
simple.c:374:7: note: remove the 'if' if its condition is always true
        else if (strcmp(argv[2], "separate") == 0)
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
simple.c:356:22: note: initialize the variable 'test_array' to silence this warning
        GLboolean test_array;
                            ^
                             = '\0'

Signed-off-by: Vinson Lee <vlee at freedesktop.org>
---
 tests/spec/glsl-1.10/execution/varying-packing/simple.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/spec/glsl-1.10/execution/varying-packing/simple.c b/tests/spec/glsl-1.10/execution/varying-packing/simple.c
index 87ff37e..6d07a36 100644
--- a/tests/spec/glsl-1.10/execution/varying-packing/simple.c
+++ b/tests/spec/glsl-1.10/execution/varying-packing/simple.c
@@ -335,7 +335,7 @@ choose_varyings(struct varying_desc *varyings,
 }
 
 void
-print_usage_and_exit(const char *prog_name)
+NORETURN print_usage_and_exit(const char *prog_name)
 {
 	unsigned i;
 	printf("Usage: %s <type> <arrayspec>\n"
-- 
1.9.2