[flang-commits] [flang] [flang][debug] Support assumed shape arrays. (PR #94644)

[Tom Eccles via flang-commits]

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@@ -22,6 +26,60 @@ namespace fir {
 DebugTypeGenerator::DebugTypeGenerator(mlir::ModuleOp m)
     : module(m), kindMapping(getKindMapping(m)) {
   LLVM_DEBUG(llvm::dbgs() << "DITypeAttr generator\n");
+
+  std::optional<mlir::DataLayout> dl =
+      fir::support::getOrSetDataLayout(module, /*allowDefaultLayout=*/true);
+  if (!dl)
+    mlir::emitError(module.getLoc(), "Missing data layout attribute in module");
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tblah wrote:

nit: it would be better to return early after emitting the error so that we don't crash when dereferencing `dl`.

https://github.com/llvm/llvm-project/pull/94644