Add one Asm warning pattern

Test: warn.py --url=http://cs/android --separator='?l=' build.log > warnings.html
Test: warn.py --gencsv build.log > warnings.csv
Change-Id: I85b53c15b5a9e705e939e2cf810a0344df6dbeda
diff --git a/tools/warn/other_warn_patterns.py b/tools/warn/other_warn_patterns.py
index dd078fb..c95528c 100644
--- a/tools/warn/other_warn_patterns.py
+++ b/tools/warn/other_warn_patterns.py
@@ -80,6 +80,8 @@
         [r".*: warning: value size does not match register size specified by the constraint and modifier"]),
     asm('IT instruction is deprecated',
         [r".*: warning: applying IT instruction .* is deprecated"]),
+    asm('section flags ignored',
+        [r".*: warning: section flags ignored on section redeclaration"]),
     asm('setjmp/longjmp/vfork changed binding',
         [r".*: warning: .*(setjmp|longjmp|vfork) changed binding to .*"]),
     # NDK warnings