Define the _fltused symbol in a couple tests post-r352076.

Normally it's defined by MSCRT, but these tests are standalone, so
they need to define it themselves.

llvm-svn: 352110

lld/test/COFF/lto-lazy-reference.ll

@@ -9,6 +9,10 @@
 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
 target triple = "i686-pc-windows-msvc18.0.0"
 
+; Define fltused, since we don't link against the MS C runtime but are
+; using floats.
+@_fltused = dllexport global i32 0, align 4
+
 define double @main(double %x) {
 entry:
   ; When compiled, this defines the __real@40800000 symbol, which already has a

lld/test/COFF/lto-new-symbol.ll

@@ -5,6 +5,10 @@
 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
 target triple = "x86_64-pc-windows-msvc"
 
+; Define fltused, since we don't link against the MS C runtime but are
+; using floats.
+@_fltused = dllexport global i32 0, align 4
+
 define void @foo(<4 x i32>* %p, <4 x float>* %q, i1 %t) nounwind {
 entry:
   br label %loop