8238002: Better matrix operations

Reviewed-by: serb, erikj, mschoene, rhalade, mbalao, andrew

make/lib/Awt2dLibraries.gmk

@@ -658,6 +658,13 @@ endif
 
 ##########################################################################################
 
+ifeq ($(TOOLCHAIN_TYPE), clang)
+ ifeq ($(TOOLCHAIN_VERSION), 10.1)
+   # Work around an optimizer bug seen with Xcode 10.1, but fixed by 10.3
+   BUILD_LIBLCMS_cmsopt.c_CFLAGS := -O0
+ endif
+endif
+
 # TODO: Update awt lib path when awt is converted
 $(eval $(call SetupNativeCompilation,BUILD_LIBLCMS, \
     LIBRARY := lcms, \

src/share/native/sun/java2d/cmm/lcms/cmsps2.c

@@ -1443,7 +1443,7 @@ int WriteNamedColorCRD(cmsIOHANDLER* m, cmsHPROFILE hNamedColor, cmsUInt32Number
     cmsUInt32Number i, nColors, nColorant;
     cmsUInt32Number OutputFormat;
     char ColorName[cmsMAX_PATH];
-    char Colorant[128];
+    char Colorant[512];
     cmsNAMEDCOLORLIST* NamedColorList;