[flang-commits] [flang] [flang][debug] Place prologue_end on the first executable statement (PR #232025)

[via flang-commits]

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@@ -443,6 +443,11 @@ class DeclareOpConversion : public mlir::OpRewritePattern<hlfir::DeclareOp> {
     firDeclareOp->setDiscardableAttrs(
         declareOp->getDiscardableAttrDictionary());
 
+    // Give line 0 to code that materializes the HLFIR base.
+    if (auto fileLoc = loc->findInstanceOf<mlir::FileLineColLoc>())
+      loc = mlir::FileLineColLoc::get(fileLoc.getFilename(), /*line=*/0,
+                                      /*column=*/0);
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jeanPerier wrote:

I am not sure it is OK to do this in general as we generate declare in the middle of the executable code too for temporaries.

https://github.com/llvm/llvm-project/pull/232025