[Driver] Link sanitizer runtime deps on Fuchsia when needed

Even though these deps weren't needed, this makes Fuchsia driver
better match other drivers, and it may be necessary when trying to
use different C libraries on Fuchsia.

Differential Revision: https://reviews.llvm.org/D54741

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@347378 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/ToolChains/Fuchsia.cpp b/lib/Driver/ToolChains/Fuchsia.cpp
index cfda9b4f3aefc091578035c5d417b9050289fe19..c5f6caf5536a61bf773894ad3e848e15affee5b8 100644 (file)
--- a/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/lib/Driver/ToolChains/Fuchsia.cpp
@@ -109,8 +109,7 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
                   D.getLTOMode() == LTOK_Thin);
   }
 
-  addSanitizerRuntimes(ToolChain, Args, CmdArgs);
-
+  bool NeedSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs);
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
   ToolChain.addProfileRTLibs(Args, CmdArgs);
 
@@ -134,6 +133,9 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       }
     }
 
+    if (NeedSanitizerDeps)
+      linkSanitizerRuntimeDeps(ToolChain, CmdArgs);
+
     AddRunTimeLibs(ToolChain, D, CmdArgs, Args);
 
     if (Args.hasArg(options::OPT_pthread) ||