Bring back 32 bit test to test type sizes (#945)

Summary:
Do so by use Debian's multiarch.


Differential Revision: D77066796

Author: xuhdev

.github/workflows/build_and_test.yml

@@ -5,7 +5,7 @@ env:
   CACHE_VERSION: xxxxx1
 jobs:
   linux-gcc:
-    name: Linux GCC ${{ matrix.os }}
+    name: Linux GCC - ${{ matrix.os }} - ${{ matrix.bit32 && 'x86' || 'x86_64' }}
     runs-on: 4-core-ubuntu
     container: ${{ matrix.os }}
     strategy:
@@ -15,6 +15,10 @@ jobs:
         - "debian:12"
         - "ubuntu:22.04"
         - "ubuntu:24.04"
+        bit32: [false]
+        include:
+        - os: debian:12
+          bit32: true
     steps:
     - name: Show OS info
       run: cat /etc/os-release
@@ -25,26 +29,9 @@ jobs:
     - uses: ./.github/actions/setup-build-and-test-w-make
       with:
         save_boost_cache: false
-        mode_32: false
+        mode_32: ${{ matrix.bit32 }}
         job_name: ${{ github.job.name }}
 
-  # No supported Github runners:
-  # * debian unstable
-# `mode_32` failed on boost lib
-#  build-deb_stable-32:
-#    runs-on: 4-core-ubuntu
-#    steps:
-#    - uses: actions/[email protected]
-#    - uses: "./.github/actions/build_debian"
-#      with:
-#        mode_32: true
-#        job_name: debian_12_32
-#
-# For new-style config we'd need:
-#   setup_toolchain_extra: '32'
-#   configure_extra: "--host=i686-linux-gnu CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32"
-#
-#
   build-deb_stable-w-clang-llvm-org:
     runs-on: 4-core-ubuntu
     env:

opt/typedef-anno-checker/TypedefAnnoPatcher.cpp

@@ -399,7 +399,7 @@ void TypedefAnnoPatcher::fix_kt_enum_ctor_param(const DexClass* cls,
       }
       if (add_param_annotation(ctor, *annotation, patch_idx, class_stats)) {
         TRACE(TAC, 2,
-              "[patcher] Fixed Kotlin enum ctor param w/ %s at %ld on %s",
+              "[patcher] Fixed Kotlin enum ctor param w/ %s at %zu on %s",
               SHOW(panno.second), patch_idx, SHOW(ctor));
       }
     }

setup_oss_toolchain.sh

@@ -25,6 +25,8 @@ else
 fi
 
 if [ "$1" = "32" ] ; then
+  dpkg --add-architecture i386
+
   BITNESS="32"
   BITNESS_SUFFIX=":i386"
   BITNESS_CONFIGURE="--host=i686-linux-gnu CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32"
@@ -60,7 +62,11 @@ function install_googletest_from_source {
     mkdir -p toolchain_install/gtest
     pushd toolchain_install/gtest
     tar xf "../../dl_cache/gtest/googletest-${GOOGLETEST_MIN_VERSION}.tar.gz" --no-same-owner --strip-components=1
-    CXXFLAGS=-std=gnu++17 cmake .
+    if [ "$BITNESS" = "32" ] ; then
+        CFLAGS=-m32 CXXFLAGS="-m32 -std=gnu++17" LDFLAGS=-m32 cmake .
+    else
+        CXXFLAGS="-std=gnu++17" cmake .
+    fi
     cmake --build . --target install
     popd
     popd