From c166546c1794106ab34f40c46d08001cdce218ec Mon Sep 17 00:00:00 2001
From: tw-ilson <wilson.th@northeastern.edu>
Date: Fri, 5 Jul 2024 18:13:02 -0700
Subject: [PATCH 1/2] add support for unstable feature

---
 Cargo.toml           | 3 ++-
 build.rs             | 2 ++
 src/record_keeper.rs | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 66de27d..66231eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,10 +12,11 @@ documentation = "https://danacus.gitlab.io/tblgen-rs/tblgen/"
 exclude = ["doc/"]
 
 [features]
-default = ["llvm18-0"]
+default = ["llvm19-0"]
 llvm16-0 = []
 llvm17-0 = []
 llvm18-0 = []
+llvm19-0 = []
 
 [dependencies]
 thiserror = "1.0.61"
diff --git a/build.rs b/build.rs
index 80648b4..bf4e0ff 100644
--- a/build.rs
+++ b/build.rs
@@ -12,6 +12,8 @@ const LLVM_MAJOR_VERSION: usize = 16;
 const LLVM_MAJOR_VERSION: usize = 17;
 #[cfg(feature = "llvm18-0")]
 const LLVM_MAJOR_VERSION: usize = 18;
+#[cfg(feature = "llvm19-0")]
+const LLVM_MAJOR_VERSION: usize = 19;
 
 fn main() {
     if let Err(error) = run() {
diff --git a/src/record_keeper.rs b/src/record_keeper.rs
index 21b0a32..5f0e932 100644
--- a/src/record_keeper.rs
+++ b/src/record_keeper.rs
@@ -10,7 +10,7 @@
 
 use std::marker::PhantomData;
 
-#[cfg(feature = "llvm18-0")]
+#[cfg(any(feature = "llvm18-0", feature = "llvm19-0"))]
 use crate::error::TableGenError;
 #[cfg(any(feature = "llvm16-0", feature = "llvm17-0"))]
 use crate::error::{SourceLocation, TableGenError, WithLocation};

From 6181fa93227ed03c288c2f338365afcdae86914d Mon Sep 17 00:00:00 2001
From: tw-ilson <wilson.th@northeastern.edu>
Date: Sat, 6 Jul 2024 13:22:02 -0700
Subject: [PATCH 2/2] fix default feature

---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 66231eb..7b67ecb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ documentation = "https://danacus.gitlab.io/tblgen-rs/tblgen/"
 exclude = ["doc/"]
 
 [features]
-default = ["llvm19-0"]
+default = ["llvm18-0"]
 llvm16-0 = []
 llvm17-0 = []
 llvm18-0 = []