ir_to_mesa: Initialize variable in ir_to_mesa_visitor::visit.

Fixes piglit glsl-fs-loop valgrind uninitialized value error on softpipe
and llvmpipe.

diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 948f09a..19f3847 100644 (file)
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1553,7 +1553,7 @@ void
 ir_to_mesa_visitor::visit(ir_constant *ir)
 {
    ir_to_mesa_src_reg src_reg;
-   GLfloat stack_vals[4];
+   GLfloat stack_vals[4] = { 0 };
    GLfloat *values = stack_vals;
    unsigned int i;