[llvm] [NFC]Use one-bit for bool in GlobalResolution struct (PR #106183)

[Mingming Liu via llvm-commits]

https://github.com/minglotus-6 created https://github.com/llvm/llvm-project/pull/106183

None

>From 75feead8d2e165044518b6022553c27215f5b437 Mon Sep 17 00:00:00 2001
From: mingmingl <mingmingl at google.com>
Date: Mon, 26 Aug 2024 22:12:10 -0700
Subject: [PATCH] [NFC]Use one-bit for bool in GlobalResolution struct

---
 llvm/include/llvm/LTO/LTO.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/llvm/include/llvm/LTO/LTO.h b/llvm/include/llvm/LTO/LTO.h
index 30eda34cd7ba54..ca98d9b8c95dc3 100644
--- a/llvm/include/llvm/LTO/LTO.h
+++ b/llvm/include/llvm/LTO/LTO.h
@@ -362,16 +362,16 @@ class LTO {
     /// Keep track if the symbol is visible outside of a module with a summary
     /// (i.e. in either a regular object or a regular LTO module without a
     /// summary).
-    bool VisibleOutsideSummary = false;
+    unsigned VisibleOutsideSummary : 1 {false};
 
     /// The symbol was exported dynamically, and therefore could be referenced
     /// by a shared library not visible to the linker.
-    bool ExportDynamic = false;
+    unsigned ExportDynamic : 1 {false};
 
-    bool UnnamedAddr = true;
+    unsigned UnnamedAddr : 1 {true};
 
     /// True if module contains the prevailing definition.
-    bool Prevailing = false;
+    unsigned Prevailing : 1 {false};
 
     /// Returns true if module contains the prevailing definition and symbol is
     /// an IR symbol. For example when module-level inline asm block is used,