Switch to clang-r407598 (12.0.1).

Also suppress a clang-tidy warning and a ubsan check to pass compilation.

Bug: 171348143
Test: build.
Change-Id: Ie5162c15df172cefd7cff9776e54531fd620bc23
This commit is contained in:
Yabin Cui 2020-11-30 15:47:45 -08:00
parent 097de78352
commit db7dda89f3
3 changed files with 25 additions and 2 deletions

View file

@ -94,6 +94,7 @@ var ClangLibToolingUnknownCflags = sorted([]string{})
// `modernize-*`.
var ClangTidyDisableChecks = []string{
"misc-no-recursion",
"readability-function-cognitive-complexity", // http://b/175055536
}
func init() {
@ -190,6 +191,8 @@ func init() {
"-Wno-pessimizing-move", // http://b/154270751
// New warnings to be fixed after clang-r399163
"-Wno-non-c-typedef-for-linkage", // http://b/161304145
// New warnings to be fixed after clang-r407598
"-Wno-string-concatenation", // http://b/175068488
}, " "))
// Extra cflags for external third-party projects to disable warnings that

View file

@ -135,8 +135,8 @@ var (
// prebuilts/clang default settings.
ClangDefaultBase = "prebuilts/clang/host"
ClangDefaultVersion = "clang-r399163b"
ClangDefaultShortVersion = "11.0.5"
ClangDefaultVersion = "clang-r407598"
ClangDefaultShortVersion = "12.0.1"
// Directories with warnings from Android.bp files.
WarningAllowedProjects = []string{

View file

@ -458,6 +458,22 @@ func toDisableImplicitIntegerChange(flags []string) bool {
return false
}
func toDisableUnsignedShiftBaseChange(flags []string) bool {
// Returns true if any flag is fsanitize*integer, and there is
// no explicit flag about sanitize=unsigned-shift-base.
for _, f := range flags {
if strings.Contains(f, "sanitize=unsigned-shift-base") {
return false
}
}
for _, f := range flags {
if strings.HasPrefix(f, "-fsanitize") && strings.Contains(f, "integer") {
return true
}
}
return false
}
func (sanitize *sanitize) flags(ctx ModuleContext, flags Flags) Flags {
minimalRuntimeLib := config.UndefinedBehaviorSanitizerMinimalRuntimeLibrary(ctx.toolchain()) + ".a"
minimalRuntimePath := "${config.ClangAsanLibDir}/" + minimalRuntimeLib
@ -614,6 +630,10 @@ func (sanitize *sanitize) flags(ctx ModuleContext, flags Flags) Flags {
if toDisableImplicitIntegerChange(flags.Local.CFlags) {
flags.Local.CFlags = append(flags.Local.CFlags, "-fno-sanitize=implicit-integer-sign-change")
}
// http://b/171275751, Android doesn't build with this sanitizer yet.
if toDisableUnsignedShiftBaseChange(flags.Local.CFlags) {
flags.Local.CFlags = append(flags.Local.CFlags, "-fno-sanitize=unsigned-shift-base")
}
}
if len(sanitize.Properties.DiagSanitizers) > 0 {