Changeset ed84c580 for general

Timestamp:

09/20/2024 11:10:55 AM (5 days ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

trunk

Children:

ce271d7

Parents:

e27a800

git-author:

Xi Ruoyao <xry111@…> (09/19/2024 05:26:21 PM)

git-committer:

Xi Ruoyao <xry111@…> (09/20/2024 11:10:55 AM)

Message:

rust: Adapt for LLVM 19

File:

• general/prog/rust.xml (modified) (2 diffs)

general/prog/rust.xml

@@ -325 +325 @@
 
     <para>
+      Disable one experimental feature which fails to build with LLVM
+      19.1 or newer, and remove the tests for it:
+    </para>
+
+        <screen><userinput>sed '/CondBitmap/,/^}/s/LLVM_VERSION.*/&amp; \&amp;\&amp; LLVM_VERSION_LT(19, 0)/' \
+        -i compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp &amp;&amp;
+
+rm -v tests/coverage/mcdc/{cond*,if,inline*,nest*,non_*}.rs</userinput></screen>
+
+    <para>
       Compile <application>Rust</application> by running the following
       commands:
@@ -361 +371 @@
       in the BLFS <xref linkend='llvm'/> configuration (nor the
       <literal>llvm.targets</literal> in <filename>config.toml</filename>,
-      in case building with the shipped LLVM).  And, one test named
+      in case building with the shipped LLVM).  One test named
       <literal>core::config::tests::download_ci_llvm</literal> is known to
-      fail.
+      fail.  And, one test named <filename>121444.rs</filename> is known
+      to fail with LLVM 19.1 or newer because a crash is fixed with the new
+      LLVM but the Rustc test harness does not have the concept of
+      unexpected passes.
     </para>