Add some more flags to CLANG_CONFIG_UNKNOWN_CFLAGS

Add some more gcc specific flags that are used somewhere in the tree
(e.g. external/chromium_org) to CLANG_CONFIG_UNKNOWN_CFLAGS

Change-Id: Icc572fdb6ea4ba818c4d18e430296589eb61bf55
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/core/clang/config.mk b/core/clang/config.mk
index c598e7d..ce6ceda 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -29,9 +29,14 @@
 
 CLANG_CONFIG_UNKNOWN_CFLAGS := \
   -funswitch-loops \
+  -fno-tree-sra \
+  -finline-limit=64 \
   -Wno-psabi \
   -Wno-unused-but-set-variable \
   -Wno-unused-but-set-parameter \
+  -Wmaybe-uninitialized \
+  -Wno-maybe-uninitialized \
+  -Wno-error=maybe-uninitialized \
   -fno-canonical-system-headers
 
 # Clang flags for all host rules