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
diff --git a/cc/config/clang.go b/cc/config/clang.go
index 519a9e2..3282958 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -94,6 +94,7 @@
// `modernize-*`.
var ClangTidyDisableChecks = []string{
"misc-no-recursion",
+ "readability-function-cognitive-complexity", // http://b/175055536
}
func init() {
@@ -190,6 +191,8 @@
"-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
diff --git a/cc/config/global.go b/cc/config/global.go
index e5cb7ee..fa8e0fb 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -135,8 +135,8 @@
// 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{
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 0e2d01a..bb92a88 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -458,6 +458,22 @@
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 @@
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 {