Fix invalid enabling of gcc backend in run.sh

Author: GuillaumeGomez

Diff for: src/ci/github-actions/ci.yml

@@ -331,9 +331,9 @@ jobs:
             <<: *job-linux-4c
 
           - name: x86_64-gnu-llvm-15
-            <<: *job-linux-16c
             env:
               ENABLE_GCC_CODEGEN: "1"
+            <<: *job-linux-16c
 
           - name: x86_64-gnu-tools
             <<: *job-linux-16c

Diff for: src/ci/run.sh

@@ -128,10 +128,10 @@ else
 
   if [[ "${ENABLE_GCC_CODEGEN}" == "1" ]]; then
     # Test the Cranelift backend in CI. Bootstrap knows which targets to run tests on.
-    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.codegen-backends=llvm,cranelift"
+    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.codegen-backends=llvm,cranelift,gcc"
   else
     # Test the Cranelift and GCC backends in CI. Bootstrap knows which targets to run tests on.
-    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.codegen-backends=llvm,cranelift,gcc"
+    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.codegen-backends=llvm,cranelift"
   fi
 
   # We enable this for non-dist builders, since those aren't trying to produce