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-rw-r--r--flang/lib/Frontend/CompilerInvocation.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/flang/lib/Frontend/CompilerInvocation.cpp b/flang/lib/Frontend/CompilerInvocation.cpp
index f0f070e..f5f7ea4 100644
--- a/flang/lib/Frontend/CompilerInvocation.cpp
+++ b/flang/lib/Frontend/CompilerInvocation.cpp
@@ -951,6 +951,7 @@ void CompilerInvocation::setLoweringOptions() {
// Lower TRANSPOSE as a runtime call under -O0.
loweringOpts.setOptimizeTranspose(codegenOpts.OptimizationLevel > 0);
+ loweringOpts.setPolymorphicTypeImpl(true);
const LangOptions &langOptions = getLangOpts();
Fortran::common::MathOptionsBase &mathOpts = loweringOpts.getMathOptions();