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-rw-r--r--cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake2
-rw-r--r--mkspecs/common/sanitize.conf6
2 files changed, 4 insertions, 4 deletions
diff --git a/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake b/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
index 06cc0b66d8..e7bffe15c1 100644
--- a/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
+++ b/cmake/3rdparty/extra-cmake-modules/modules/ECMEnableSanitizers.cmake
@@ -139,7 +139,7 @@ macro (enable_sanitizer_flags sanitize_option)
set(XSAN_LINKER_FLAGS "lsan")
elseif (${sanitize_option} MATCHES "undefined")
check_compiler_version("4.9" "3.1")
- set(XSAN_COMPILE_FLAGS "-fsanitize=undefined -fno-omit-frame-pointer -fno-optimize-sibling-calls")
+ set(XSAN_COMPILE_FLAGS "-fsanitize=undefined -fsanitize=float-divide-by-zero -fno-omit-frame-pointer -fno-optimize-sibling-calls")
else ()
message(FATAL_ERROR "Compiler sanitizer option \"${sanitize_option}\" not supported.")
endif ()
diff --git a/mkspecs/common/sanitize.conf b/mkspecs/common/sanitize.conf
index 8417fa4c2f..409bd99061 100644
--- a/mkspecs/common/sanitize.conf
+++ b/mkspecs/common/sanitize.conf
@@ -21,7 +21,7 @@ QMAKE_SANITIZE_FUZZERNL_CFLAGS = -fsanitize=fuzzer-no-link
QMAKE_SANITIZE_FUZZERNL_CXXFLAGS = -fsanitize=fuzzer-no-link
QMAKE_SANITIZE_FUZZERNL_LFLAGS = -fsanitize=fuzzer-no-link
-QMAKE_SANITIZE_UNDEFINED_CFLAGS = -fsanitize=undefined
-QMAKE_SANITIZE_UNDEFINED_CXXFLAGS = -fsanitize=undefined
-QMAKE_SANITIZE_UNDEFINED_LFLAGS = -fsanitize=undefined
+QMAKE_SANITIZE_UNDEFINED_CFLAGS = -fsanitize=undefined -fsanitize=float-divide-by-zero
+QMAKE_SANITIZE_UNDEFINED_CXXFLAGS = -fsanitize=undefined -fsanitize=float-divide-by-zero
+QMAKE_SANITIZE_UNDEFINED_LFLAGS = -fsanitize=undefined -fsanitize=float-divide-by-zero