r300: assert that array in translate_vertex_program is initialized

Problematic usage is in case RC_OPCODE_ENDLOOP, at line
ret_addr = loops[--loop_depth];

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12880>

diff --git a/src/gallium/drivers/r300/compiler/r3xx_vertprog.c b/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
index 1f1c9ad..63cb447 100644 (file)
--- a/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
+++ b/src/gallium/drivers/r300/compiler/r3xx_vertprog.c
@@ -369,7 +369,7 @@ static void translate_vertex_program(struct radeon_compiler *c, void *user)
        struct r300_vertex_program_compiler *compiler = (struct r300_vertex_program_compiler*)c;
        struct rc_instruction *rci;
 
-       unsigned loops[R500_PVS_MAX_LOOP_DEPTH];
+       unsigned loops[R500_PVS_MAX_LOOP_DEPTH] = {};
        unsigned loop_depth = 0;
 
        compiler->code->pos_end = 0;    /* Not supported yet */