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-rw-r--r--src/mesa/program/ir_to_mesa.cpp1
-rw-r--r--src/mesa/state_tracker/st_glsl_to_tgsi.cpp1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index ce3af312083..038f66b6d9e 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1449,6 +1449,7 @@ ir_to_mesa_visitor::visit(ir_swizzle *ir)
ir->val->accept(this);
src = this->result;
assert(src.file != PROGRAM_UNDEFINED);
+ assert(ir->type->vector_elements > 0);
for (i = 0; i < 4; i++) {
if (i < ir->type->vector_elements) {
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 98ab2c149f5..2ed7a3bf9b8 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -2051,6 +2051,7 @@ glsl_to_tgsi_visitor::visit(ir_swizzle *ir)
ir->val->accept(this);
src = this->result;
assert(src.file != PROGRAM_UNDEFINED);
+ assert(ir->type->vector_elements > 0);
for (i = 0; i < 4; i++) {
if (i < ir->type->vector_elements) {