Switch from clang-r370808b to clang-r377782

Allow new clang compiler warnings until they are
fixed or suppressed in all branches.

Bug: 145916209
Test: make checkbuild
Change-Id: Ic873b8d705dacd0d92f9031b3960e01283090363
diff --git a/cc/config/clang.go b/cc/config/clang.go
index 8618d09..26a104b 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -169,6 +169,13 @@
 		"-Wno-reorder-init-list",
 		// http://b/145211066
 		"-Wno-implicit-int-float-conversion",
+		// New warnings to be fixed after clang-r377782.
+		"-Wno-bitwise-conditional-parentheses", // http://b/148286937
+		"-Wno-bool-operation",                  // http://b/148287141
+		"-Wno-int-in-bool-context",             // http://b/148287349
+		"-Wno-sizeof-array-div",                // http://b/148815709
+		"-Wno-tautological-bitwise-compare",    // http://b/148831363
+		"-Wno-tautological-overlap-compare",    // http://b/148815696
 	}, " "))
 
 	// Extra cflags for external third-party projects to disable warnings that