make CompileRequest retain specailized IR module.

This is to workaround with the issue that the Types returned in ProgramLayout may reference to IRWitnessTables via GlobalGenericParamSubstitution.

1 files changed, 4 insertions, 2 deletions

diff --git a/source/slang/emit.cpp b/source/slang/emit.cpp
index 46c0b20a9..d2ed1c7c3 100644
--- a/source/slang/emit.cpp
+++ b/source/slang/emit.cpp
@@ -8158,6 +8158,10 @@ String emitEntryPoint(
         // TODO: do we want to emit directly from IR, or translate the
         // IR back into AST for emission?
         visitor.emitIRModule(&context, irModule);
+        
+        // retain the specialized ir module, because the current
+        // GlobalGenericParamSubstitution implementation may reference ir objects 
+        targetRequest->compileRequest->compiledModules.Add(irModule);
     }
     destroyIRSpecializationState(irSpecializationState);
 
@@ -8167,8 +8171,6 @@ String emitEntryPoint(
     // Now that we've emitted the code for all the declaratiosn in the file,
     // it is time to stich together the final output.
 
-
-
     // There may be global-scope modifiers that we should emit now
     visitor.emitGLSLPreprocessorDirectives(translationUnitSyntax);
     String prefix = sharedContext.sb.ProduceString();