Bug#35855488 Build on Ubuntu 23.10 [noclose]

Backport -Wno-alloc-size-larger-than suppressions from trunk.
from the patch for:
    Bug#34099162 Add support for mold linker

Change-Id: I3996c472b423daaf3002c477ccb757d2e55846f9

Author: Tor Didriksen

CMakeLists.txt

@@ -2327,6 +2327,12 @@ IF(NOT WITHOUT_SERVER AND WITH_UNIT_TESTS)
       IF(HAS_WARN_FLAG)
         MY_TARGET_LINK_OPTIONS(server_unittest_library "${HAS_WARN_FLAG}")
       ENDIF()
+      # The mold linker and RelWithDebInfo build complains about
+      # the new expression in Rpl_info_values::init()
+      IF(MY_COMPILER_IS_GNU)
+        MY_TARGET_LINK_OPTIONS(server_unittest_library
+          "-Wno-alloc-size-larger-than")
+      ENDIF()
     ENDIF()
   ELSE()
     SET(DUMMY_SOURCE_FILE ${CMAKE_BINARY_DIR}/server_unittest_library.c)

sql/CMakeLists.txt

@@ -26,7 +26,7 @@ ADD_WSHADOW_WARNING()
 
 # Lots of warnings about -Walloc-size-larger-than= from my_malloc.cc
 # but it is basically impossible to trace the actual origin.
-IF(FPROFILE_GENERATE OR FPROFILE_USE)
+IF(FPROFILE_GENERATE OR FPROFILE_USE OR CMAKE_COMPILER_FLAG_WITH_LTO)
   IF(MY_COMPILER_IS_GNU)
     # -Walloc-size-larger-than=PTRDIFF_MAX is enabled by default.
     STRING_APPEND(CMAKE_EXE_LINKER_FLAGS " -Wno-alloc-size-larger-than")