From: Kushal Pal <kushalpal109@gmail.com>
Date: Fri, 26 Jul 2024 07:51:43 +0000 (+0000)
Subject: gccrs: Fixed bitwise operation in `extract_stmt`
X-Git-Tag: basepoints/gcc-16~1248
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=86d5412d85b907fd63b5c86817e35e506ea3f7f0;p=thirdparty%2Fgcc.git

gccrs: Fixed bitwise operation in `extract_stmt`

gcc/rust/ChangeLog:

	* checks/errors/borrowck/polonius/rust-polonius.h (struct FullPoint):
	This is the correct way of extracting the required bits.

Signed-off-by: Kushal Pal <kushalpal109@gmail.com>
---

diff --git a/gcc/rust/checks/errors/borrowck/polonius/rust-polonius.h b/gcc/rust/checks/errors/borrowck/polonius/rust-polonius.h
index b013a93671c..4447ad59430 100644
--- a/gcc/rust/checks/errors/borrowck/polonius/rust-polonius.h
+++ b/gcc/rust/checks/errors/borrowck/polonius/rust-polonius.h
@@ -45,7 +45,7 @@ struct FullPoint
   static uint32_t extract_bb (Point point) { return point >> 16; }
   static uint32_t extract_stmt (Point point)
   {
-    return (point & ~(1 << 16)) >> 1;
+    return (point >> 1) & ((1 << 15) - 1);
   }
   static bool extract_mid (Point point) { return point & 1; }