Coverage: use -O0 instead of -Og

extras/CompileOptions.cmake

@@ -36,7 +36,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Clang)")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL  "GNU")
-	if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.8)
+	if((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.8) AND (NOT ${COVERAGE}))
 		add_compile_options(-g -Og)
 	else()
 		add_compile_options(-g -O0)
@@ -70,7 +70,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-	if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.0)
+	if((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.0) AND (NOT ${COVERAGE}))
 		add_compile_options(-g -Og)
 	else()
 		add_compile_options(-g -O0)
@@ -78,7 +78,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
-	if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 9.0)
+	if((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 9.0) AND (NOT ${COVERAGE}))
 		add_compile_options(-g -Og)
 	else()
 		add_compile_options(-g -O0)