[llvm] Git ignore install directory (PR #77181)

[Deev Patel via llvm-commits]

https://github.com/pateldeev created https://github.com/llvm/llvm-project/pull/77181

Git ignore install directory in addition to build directory

>From b567a86f870f9e853a7e39cc33f0ec874c81bf50 Mon Sep 17 00:00:00 2001
From: pateldeev <pateldeev at nevada.unr.edu>
Date: Fri, 5 Jan 2024 22:56:32 -0800
Subject: [PATCH] git ignore install directory

---
 .gitignore | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 20c4f52cd37860..2f190c36c552a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,8 +26,9 @@
 # Ignore the user specified CMake presets in subproject directories.
 /*/CMakeUserPresets.json
 
-# Nested build directory
+# Nested build and install directories
 /build*
+/install*
 
 #==============================================================================#
 # Explicit files to ignore (only matches one).