[clang] FastMathFlags.allowContract should be initialized only from FPFeatures.allowFPContractAcrossStatement

Summary: Fix bug introduced in D72841 adding support for pragma float_control

Reviewers: rjmccall, Anastasia

Differential Revision: https://reviews.llvm.org/D79903
diff --git a/clang/test/CodeGen/fp-floatcontrol-pragma.cpp b/clang/test/CodeGen/fp-floatcontrol-pragma.cpp
index ca3a3a4..7d88432 100644
--- a/clang/test/CodeGen/fp-floatcontrol-pragma.cpp
+++ b/clang/test/CodeGen/fp-floatcontrol-pragma.cpp
@@ -160,7 +160,7 @@
 // CHECK-NS: define {{.*}}exc_off{{.*}}
   {} try {
     x = 1.0 / zero; /* division by zero, the result unused */
-//CHECK-NS: fdiv contract double
+//CHECK-NS: fdiv double
   } catch (...) {}
   return zero;
 }