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glsl: Make sure not to dereference NULL.

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This commit is contained in:
Matt Turner 2015-04-01 10:24:26 -07:00
parent 142909f19d
commit 3384179faa
1 changed files with 2 additions and 0 deletions
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2
src/glsl/opt_algebraic.cpp
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@ -574,6 +574,8 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
continue;
ir_expression *add_expr = floor_expr->operands[0]->as_expression();
if (!add_expr)
continue;
for (int j = 0; j < 2; j++) {
ir_expression *abs_expr = add_expr->operands[j]->as_expression();