gn build: Build compiler-rt code with -fvisibility=hidden.

This matches the CMake build.

Differential Revision: https://reviews.llvm.org/D69202

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375299 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/gn/build/BUILD.gn b/utils/gn/build/BUILD.gn
index 7ad429a50486cd66d38064ca8a38b0961e7f3be6..b06ef9ad83e36ee7983df1db07473853f71456f9 100644 (file)
--- a/utils/gn/build/BUILD.gn
+++ b/utils/gn/build/BUILD.gn
@@ -221,6 +221,7 @@ config("crt_code") {
     "-fPIC",
     "-funwind-tables",
     "-gline-tables-only",
+    "-fvisibility=hidden",
   ]
 }