Index: utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
===================================================================
--- utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
+++ utils/bazel/llvm-project-overlay/mlir/tblgen.bzl
@@ -169,6 +169,7 @@
         inputs = trans_srcs,
         executable = ctx.executable.tblgen,
         arguments = [args],
+        use_default_shell_env = True,
         mnemonic = "TdGenerate",
     )