[Driver] Export profiling symbols for -exported_symbols_list

When profiling is enabled and -exported_symbols_list is specified for
the Darwin linker, export the requisite set of profiling symbols.

rdar://39427167

llvm-svn: 330077

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index 70db1dda205..2c1234c83ab 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -988,6 +988,8 @@ StringRef Darwin::getOSLibraryNameSuffix() const {
 /// Check if the link command contains a symbol export directive.
 static bool hasExportSymbolDirective(const ArgList &Args) {
   for (Arg *A : Args) {
+    if (A->getOption().matches(options::OPT_exported__symbols__list))
+      return true;
     if (!A->getOption().matches(options::OPT_Wl_COMMA) &&
         !A->getOption().matches(options::OPT_Xlinker))
       continue;