8238002: Better matrix operations

Reviewed-by: serb, erikj, mschoene, rhalade

make/lib/Awt2dLibraries.gmk

@@ -371,6 +371,13 @@ else
   BUILD_LIBLCMS_INCLUDE_FILES :=
 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
+
 $(eval $(call SetupJdkLibrary, BUILD_LIBLCMS, \
     NAME := lcms, \
     INCLUDE_FILES := $(BUILD_LIBLCMS_INCLUDE_FILES), \

src/java.desktop/share/native/liblcms/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;