Fix malformed program crashes.

2011-12-08 14:35:12 -08:00
parent a79bc75b72
commit aec7da740a
2 changed files with 8 additions and 2 deletions
--- a/expr.cpp
+++ b/expr.cpp
@@ -3050,7 +3050,10 @@ IndexExpr::GetValue(FunctionEmitContext *ctx) const {

        const SequentialType *st = 
            dynamic_cast<const SequentialType *>(baseExprType);
-        assert(st != NULL);
+        if (st == NULL) {
+            assert(m->errorCount > 0);
+            return NULL;
+        }
        lvalueType = PointerType::GetUniform(st->GetElementType());

        lvalue = lAddVaryingOffsetsIfNeeded(ctx, lvalue, lvalueType);