Suppress warnings for assignment inside conditionals.

icu.gyp

Index: icu.gyp
diff --git a/icu.gyp b/icu.gyp
index 8b336e96659fb88108cf9eb1200f102d78f9db0f..96ee68ea144e21d4204821d6373e03ea6360cf8f 100644
--- a/icu.gyp
+++ b/icu.gyp
@@ -243,6 +243,9 @@
                     # See http://bugs.icu-project.org/trac/ticket/11122
                     '-Wno-inline-new-delete',
                     '-Wno-implicit-exception-spec-mismatch',
+                    # ICU has some code with the pattern:
+                    #   if (found = uprv_getWindowsTimeZoneInfo(...))
+                    '-Wno-parentheses',
                   ],
                 },
               },
@@ -287,6 +290,9 @@
               # enum (e.g. URES_TABLE32 which is in UResInternalType). This
               # is on purpose.
               '-Wno-switch',
+              # ICU has some code with the pattern:
+              #   if (found = uprv_getWindowsTimeZoneInfo(...))
+              '-Wno-parentheses',

[Nico, 2015/06/30 18:12:10]

So this is Win-only in icui18n but global in icuuc? That's a bit strange, but ok
I guess. Doesn't match gn though. Maybe put it in clang_warning_flags for both
targets and remove the is_win in the gn file for consistency / simplicity?

             ],
           },
           'cflags': [