diff --git a/.github/workflows/nmodl-ci.yml b/.github/workflows/nmodl-ci.yml
index 70e3f8cf8..ec71cc692 100644
--- a/.github/workflows/nmodl-ci.yml
+++ b/.github/workflows/nmodl-ci.yml
@@ -30,6 +30,7 @@ jobs:
               os: ubuntu-20.04
           - config:
               flag_warnings: ON
+              glibc_asserts: ON
               os: ubuntu-22.04
           - config:
               os: macos-12
@@ -113,7 +114,6 @@ jobs:
         working-directory: ${{runner.workspace}}/nmodl
         run:  |
           echo "------- Configure -------"
-          mkdir build && pushd build
           cmake_args=(-G Ninja
                       -DPYTHON_EXECUTABLE=$(which python3) \
                       -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR)
@@ -134,11 +134,15 @@ jobs:
             CXX=$(command -v clang++-14)
           else
             CXX=${CXX:-g++}
+            if [[ -n "${{matrix.config.glibc_asserts}}" ]]; then
+              cmake_args+=(-DCMAKE_BUILD_TYPE=Debug \
+                           -DCMAKE_CXX_FLAGS=-D_GLIBCXX_DEBUG)
+            fi
           fi
           cmake_args+=(-DCMAKE_CXX_COMPILER=${CXX} \
                        -DCMAKE_CXX_COMPILER_LAUNCHER=ccache)
           cmake_args+=(-DNMODL_ENABLE_BACKWARD=On)
-          cmake .. "${cmake_args[@]}"
+          cmake -B build -S . "${cmake_args[@]}"
         env:
           INSTALL_DIR: ${{ runner.workspace }}/install
 
@@ -164,7 +168,7 @@ jobs:
 
       - name: Build
         shell: bash
-        working-directory: ${{runner.workspace}}/nmodl/build
+        working-directory: ${{runner.workspace}}/nmodl
         env:
           CCACHE_BASEDIR: ${{runner.workspace}}/nmodl
           CCACHE_DIR: ${{runner.workspace}}/ccache
@@ -180,7 +184,7 @@ jobs:
           ccache -z
           # Older versions don't support -v (verbose)
           ccache -vs 2>/dev/null || ccache -s
-          cmake --build .
+          cmake --build build
           ccache -vs 2>/dev/null || ccache -s
       - name: Test
         shell: bash
@@ -191,9 +195,9 @@ jobs:
           ctest --output-on-failure -T Test
       - name: Install
         shell: bash
-        working-directory: ${{runner.workspace}}/nmodl/build
+        working-directory: ${{runner.workspace}}/nmodl
         run:  |
-          cmake --build . --target install
+          cmake --install build
 
       - name: Update references
         if: matrix.config.update_references == 'On'
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index fc32c71da..7b456ef3a 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -148,7 +148,7 @@ stages:
       submodules: True
     - script: |
         brew install flex bison cmake python@3
-        python3 -m pip install --upgrade pip setuptools
+        python3 -m pip install --upgrade pip "setuptools<=70.3.0"
         python3 -m pip install --user -r requirements.txt
       displayName: 'Install Dependencies'
     - script: |
diff --git a/src/visitors/semantic_analysis_visitor.cpp b/src/visitors/semantic_analysis_visitor.cpp
index 6d005e138..a2f852664 100644
--- a/src/visitors/semantic_analysis_visitor.cpp
+++ b/src/visitors/semantic_analysis_visitor.cpp
@@ -56,14 +56,14 @@ bool SemanticAnalysisVisitor::check_table_vars(const ast::Program& node) {
 bool SemanticAnalysisVisitor::check_name_conflict(const ast::Program& node) {
     // check that there are no RANGE variables which have the same name as a FUNCTION or PROCEDURE
     const auto& range_nodes = collect_nodes(node, {ast::AstNodeType::RANGE_VAR});
-    std::unordered_set<std::string> range_vars{};
+    std::set<std::string> range_vars{};
     for (const auto& range_node: range_nodes) {
         range_vars.insert(range_node->get_node_name());
     }
 
     const auto& function_nodes =
         collect_nodes(node, {ast::AstNodeType::FUNCTION_BLOCK, ast::AstNodeType::PROCEDURE_BLOCK});
-    std::unordered_set<std::string> func_vars{};
+    std::set<std::string> func_vars{};
     for (const auto& function_node: function_nodes) {
         func_vars.insert(function_node->get_node_name());
     }