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-rw-r--r--gcc/rust/expand/rust-macro-builtins.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/rust/expand/rust-macro-builtins.cc b/gcc/rust/expand/rust-macro-builtins.cc
index 2457bc0..804cfed 100644
--- a/gcc/rust/expand/rust-macro-builtins.cc
+++ b/gcc/rust/expand/rust-macro-builtins.cc
@@ -120,8 +120,8 @@ std::unordered_map<std::string, AST::MacroTranscriberFunc>
{"format_args_nl", format_args_maker (AST::FormatArgs::Newline::Yes)},
{"asm", inline_asm_maker (AST::AsmKind::Inline)},
{"global_asm", inline_asm_maker (AST::AsmKind::Global)},
+ {"option_env", MacroBuiltin::option_env_handler},
/* Unimplemented macro builtins */
- {"option_env", MacroBuiltin::sorry},
{"concat_idents", MacroBuiltin::sorry},
{"module_path", MacroBuiltin::sorry},
{"log_syntax", MacroBuiltin::sorry},