MdeModulePkg RegularExpressionDxe: Disable warning for CLANG9 tool chain

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1603

Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>

diff --git a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
index 883d5f112765643c4042dfbbe34aaaad12897e2b..e9c885465d8ded77d44328bb16b6bb1fb908d2b3 100644 (file)
--- a/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
+++ b/MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
@@ -107,6 +107,9 @@
   # Oniguruma: tag_end in parse_callout_of_name\r
   GCC:*_*_*_CC_FLAGS = -Wno-error=maybe-uninitialized\r
 \r
+  # Oniguruma: implicit conversion from 'UINTN' (aka 'unsigned long long') to 'long'\r
+  GCC:*_CLANG9_*_CC_FLAGS = -Wno-error=constant-conversion\r
+\r
   # Not add -Wno-error=maybe-uninitialized option for XCODE\r
   # XCODE doesn't know this option\r
   XCODE:*_*_*_CC_FLAGS =\r