ci: enable _GLIBCXX_ASSERTIONS c++ flags on debug builds.

Enable additional C++ runtime checks for the intl extensions.
Basically, out-of-bounds accesses on vector or strings, undefined
behavior on iterators.

Author: devnexen

.github/workflows/push.yml

@@ -113,7 +113,8 @@ jobs:
           configurationParameters: >-
             --${{ matrix.debug && 'enable' || 'disable' }}-debug
             --${{ matrix.zts && 'enable' || 'disable' }}-zts
-            ${{ matrix.asan && 'CFLAGS="-fsanitize=undefined,address -fno-sanitize=function -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-fsanitize=undefined,address -fno-sanitize=function" CC=clang CXX=clang++' || '' }}
+            ${{ matrix.asan && 'CFLAGS="-fsanitize=undefined,address -fno-sanitize=function -DZEND_TRACK_ARENA_ALLOC" LDFLAGS="-fsanitize=undefined,address -fno-sanitize=function" CC=clang CXX=clang++ --disable-opcache-jit' || '' }}
+            ${{ matrix.debug && 'enable' && 'CXXFLAGS="-D_GLIBCXX_ASSERTIONS"' }}
           skipSlow: ${{ matrix.asan }}
       - name: make
         run: make -j$(/usr/bin/nproc) >/dev/null