diff --git a/.github/workflows/stockfish.yml b/.github/workflows/stockfish.yml
index 3a40bf7d0..7a6603475 100644
--- a/.github/workflows/stockfish.yml
+++ b/.github/workflows/stockfish.yml
@@ -46,7 +46,7 @@ jobs:
       - name: Download required packages
         run: |
           sudo apt update
-          sudo apt install expect valgrind g++-multilib
+          sudo apt install expect valgrind g++-multilib llvm
 
       - name: Download the used network from the fishtest framework
         run: |
@@ -74,6 +74,12 @@ jobs:
           make -j2 ARCH=x86-32 optimize=no debug=yes build
           ../tests/signature.sh $benchref
 
+      - name: Test debug x86-32 profile build (Optimization on, All features)
+        run: |
+          export CXXFLAGS=""
+          make clean
+          make -j2 ARCH=x86-32 optimize=yes all=yes largeboards=yes debug=yes profile-build
+
       - name: Test x86-32 build
         run: |
           make clean
@@ -107,6 +113,12 @@ jobs:
           make -j2 ARCH=x86-64-modern optimize=no debug=yes build
           ../tests/signature.sh $benchref
 
+      - name: Test debug x86-64-modern profile build (Optimization on, All features)
+        run: |
+          export CXXFLAGS=""
+          make clean
+          make -j2 ARCH=x86-64-modern optimize=yes all=yes largeboards=yes debug=yes profile-build
+
       - name: Test x86-64-modern build
         run: |
           make clean
diff --git a/src/Makefile b/src/Makefile
index 4fe40955b..823649fb3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -524,7 +524,7 @@ endif
 ### 3.3 Optimization
 ifeq ($(optimize),yes)
 
-	CXXFLAGS += -O3
+	CXXFLAGS += -O3 -fno-strict-aliasing
 
 	ifeq ($(comp),gcc)
 		ifeq ($(OS), Android)