[WebAssembly] Update MC tests now that hidden attr is supported

Summary:
Support was added in rL319488 but these tests were not
updated.

Subscribers: jfb, dschuff, jgravelle-google, aheejin, sunfish

Differential Revision: https://reviews.llvm.org/D40693

llvm-svn: 319510
diff --git a/llvm/test/MC/WebAssembly/array-fill.ll b/llvm/test/MC/WebAssembly/array-fill.ll
index e2f337a..a85d470 100644
--- a/llvm/test/MC/WebAssembly/array-fill.ll
+++ b/llvm/test/MC/WebAssembly/array-fill.ll
@@ -15,6 +15,9 @@
 ; CHECK:        - Type:            CUSTOM
 ; CHECK-NEXT:     Name:            linking
 ; CHECK-NEXT:     DataSize:        2
+; CHECK-NEXT:     SymbolInfo:      
+; CHECK-NEXT:       - Name:            gBd
+; CHECK-NEXT:         Flags:           4
 ; CHECK-NEXT:     SegmentInfo:    
 ; CHECK-NEXT:       - Index:           0
 ; CHECK-NEXT:         Name:            .data