!837 Ignore warnings for llvm15 upgrade

满足合入条件、但并发量过大；需要手动合入！

musl_template.gni

@@ -122,6 +122,7 @@ template("musl_libs") {
       "-Werror=pointer-sign",
       "-Werror=pointer-arith",
       "-Qunused-arguments",
+      "-Wno-int-conversion",
     ]
 
     if (!is_asan) {
@@ -745,6 +746,7 @@ template("musl_libs") {
       "--instcombine-max-iterations=0",
       "-ffp-contract=fast",
       "-O3",
+      "-Wno-int-conversion",
     ]
   }
 

scripts/build_lite/Makefile

@@ -76,6 +76,7 @@ ARCH_CFLAGS =
 endif
 
 CFLAGS = -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wl,-z,relro,-z,now,-z,noexecstack -Wl,--build-id=sha1
+CFLAGS += -Wno-int-conversion
 
 .PHONY: $(TARGETS:%=musl_copy_for_%)
 .PHONY: $(TARGETS:%=musl_patch_for_%)