Disable LTO if compiling with clang and asan due to likely compiler bug.

See llvm/llvm-project#121704

CMakeLists.txt

@@ -47,25 +47,6 @@ else()
     set(ICHOR_BUILDING_DEBUG OFF)
 endif()
 
-
-if(CMAKE_BUILD_TYPE STREQUAL "Release")
-    include(CheckIPOSupported)
-    check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT LTO_ERROR)
-    if(LTO_SUPPORTED)
-        set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
-        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
-        if(ICHOR_COMPILER_ID STREQUAL "clang")
-            set(CMAKE_C_COMPILE_OPTIONS_IPO "-flto=full")
-            set(CMAKE_CXX_COMPILE_OPTIONS_IPO "-flto=full")
-        endif()
-        set(ICHOR_LTO ON)
-        message(STATUS "Enabled LTO")
-    else()
-        set(ICHOR_LTO OFF)
-        message(STATUS "LTO not supported: ${LTO_ERROR}")
-    endif()
-endif()
-
 option(ICHOR_BUILD_EXAMPLES "Build examples" ON)
 option(ICHOR_BUILD_BENCHMARKS "Build benchmarks" ON)
 option(ICHOR_BUILD_TESTING "Build tests" ON)
@@ -96,6 +77,27 @@ option(ICHOR_USE_HIREDIS "Add hiredis dependency" OFF)
 option(ICHOR_MUSL "Use when building for musl instead of glibc" OFF)
 option(ICHOR_AARCH64 "Use when building for aarch64. Turns off some x86-specific compiler flags." OFF)
 
+if(CMAKE_BUILD_TYPE STREQUAL "Release" AND NOT (ICHOR_COMPILER_ID STREQUAL "clang" AND ICHOR_USE_SANITIZERS))
+    include(CheckIPOSupported)
+    check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT LTO_ERROR)
+    if(LTO_SUPPORTED)
+        set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
+        set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+        if(ICHOR_COMPILER_ID STREQUAL "clang")
+            set(CMAKE_C_COMPILE_OPTIONS_IPO "-flto=full")
+            set(CMAKE_CXX_COMPILE_OPTIONS_IPO "-flto=full")
+        endif()
+        set(ICHOR_LTO ON)
+        message(STATUS "Enabled LTO")
+    else()
+        set(ICHOR_LTO OFF)
+        message(STATUS "LTO not supported: ${LTO_ERROR}")
+    endif()
+else()
+    set(ICHOR_LTO OFF)
+    message(STATUS "Disabled LTO")
+endif()
+
 set(BUILD_TESTING OFF) #disable Catch 2 testing
 
 if(ICHOR_COMPILER_ID STREQUAL "clang")