Switch assert(0/false) llvm_unreachable.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 5e25f69..abfd0a7 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2795,7 +2795,7 @@
     else if (ABI == "eabi")
       Builder.defineMacro("__mips_eabi");
     else
-      assert(false && "Invalid ABI for Mips32.");
+      llvm_unreachable("Invalid ABI for Mips32.");
   }
   virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
                                 unsigned &NumAliases) const {
@@ -2897,7 +2897,7 @@
       Builder.defineMacro("_MIPS_SIM", "_ABI64");
     }
     else
-      assert(false && "Invalid ABI for Mips64.");
+      llvm_unreachable("Invalid ABI for Mips64.");
   }
   virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
                                 unsigned &NumAliases) const {