[mlir][Python] Fix 'unreferenced local variable' warning on MSVC.

stellaraccident · stellaraccident · commit 4726a402a32a · 2020-11-12T13:34:57.000-08:00
Differential Revision: https://reviews.llvm.org/D91282
diff --git a/mlir/lib/Bindings/Python/PybindUtils.h b/mlir/lib/Bindings/Python/PybindUtils.h
@@ -85,7 +85,7 @@ struct MlirDefaultingCaster {
       value = DefaultingTy{
           pybind11::cast<typename DefaultingTy::ReferrentTy &>(src)};
       return true;
-    } catch (std::exception &e) {
+    } catch (std::exception &) {
       return false;
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -85,7 +85,7 @@ struct MlirDefaultingCaster {`
`85`	`85`	`value = DefaultingTy{`
`86`	`86`	`pybind11::cast<typename DefaultingTy::ReferrentTy &>(src)};`
`87`	`87`	`return true;`
`88`		`- } catch (std::exception &e) {`
	`88`	`+ } catch (std::exception &) {`
`89`	`89`	`return false;`
`90`	`90`	`}`
`91`	`91`	`}`