Force mangling version for rustc_codegen_gcc

Author: GuillaumeGomez

src/bootstrap/configure.py

@@ -59,6 +59,7 @@ def v(*args):
 o("use-libcxx", "llvm.use-libcxx", "build LLVM with libc++")
 o("control-flow-guard", "rust.control-flow-guard", "Enable Control Flow Guard")
 o("patch-binaries-for-nix", "build.patch-binaries-for-nix", "whether patch binaries for usage with Nix toolchains")
+o("new-symbol-mangling", "rust.new-symbol-mangling", "use symbol-mangling-version v0")
 
 v("llvm-cflags", "llvm.cflags", "build LLVM with these extra compiler flags")
 v("llvm-cxxflags", "llvm.cxxflags", "build LLVM with these extra compiler flags")

src/ci/docker/host-x86_64/x86_64-gnu-llvm-15/Dockerfile

@@ -53,7 +53,8 @@ ENV RUST_CONFIGURE_ARGS \
       --build=x86_64-unknown-linux-gnu \
       --llvm-root=/usr/lib/llvm-15 \
       --enable-llvm-link-shared \
-      --set rust.thin-lto-import-instr-limit=10
+      --set rust.thin-lto-import-instr-limit=10 \
+      --enable-new-symbol-mangling
 
 COPY host-x86_64/x86_64-gnu-llvm-15/script.sh /tmp/
 

src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile

@@ -87,7 +87,8 @@ RUN npm install -g browser-ui-test@$(head -n 1 /tmp/browser-ui-test.version) --u
 
 ENV RUST_CONFIGURE_ARGS \
   --build=x86_64-unknown-linux-gnu \
-  --save-toolstates=/tmp/toolstate/toolstates.json
+  --save-toolstates=/tmp/toolstate/toolstates.json \
+  --enable-new-symbol-mangling
 
 ENV HOST_TARGET x86_64-unknown-linux-gnu