[blfs] 01/04: llvm: add upstream fix for the bug exploited by new rustc

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commit a04c1a2012b3106e4399e683257929398d91d49e
Author: Xi Ruoyao <[email protected]>
AuthorDate: Sat Jul 18 14:45:01 2026 +0800

    llvm: add upstream fix for the bug exploited by new rustc
---
 general/prog/llvm.xml              | 16 ++++++++++++++++
 introduction/welcome/changelog.xml | 11 +++++++++++
 2 files changed, 27 insertions(+)

diff --git a/general/prog/llvm.xml b/general/prog/llvm.xml
index dee0a10e10..16d4961467 100644
--- a/general/prog/llvm.xml
+++ b/general/prog/llvm.xml
@@ -86,6 +86,16 @@
       </listitem>
     </itemizedlist>
 
+    <bridgehead renderas="sect3">Additional Downloads</bridgehead>
+    <itemizedlist spacing='compact'>
+      <listitem>
+        <para>
+          Required patch: <ulink
+          url="&patch-root;/llvm-&llvm-version;-upstream_fix-1.patch"/>
+        </para>
+      </listitem>
+    </itemizedlist>
+
     <bridgehead renderas="sect3">LLVM Dependencies</bridgehead>
 
     <bridgehead renderas="sect4">Required</bridgehead>
@@ -121,6 +131,12 @@
   <sect2 role="installation">
     <title>Installation of LLVM</title>
 
+    <para>
+      At first, fix a bug causing wrong code on some conditions:
+    </para>
+
+    <screen><userinput>patch -Np1 -i ../llvm-&llvm-version;-upstream_fix-1.patch</userinput></screen>
+
     <para>
      There are many Python scripts in this package which use
      <command>/usr/bin/env python</command> to access the system Python
diff --git a/introduction/welcome/changelog.xml b/introduction/welcome/changelog.xml
index 682aaf1496..f610690e5a 100644
--- a/introduction/welcome/changelog.xml
+++ b/introduction/welcome/changelog.xml
@@ -39,6 +39,17 @@
   <itemizedlist>
     <title>Changelog Entries:</title>
 
+    <listitem>
+      <para>July 18th, 2026</para>
+      <itemizedlist>
+        <listitem>
+          <para>[xry111] - Patch LLVM to fix a bug which might break
+          the upcoming Rust update.  Part of
+          <ulink url="&blfs-ticket-root;23608">#23608</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>July 17th, 2026</para>
       <itemizedlist>

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