Reapply af57dbf12e54 "Add support for options -frounding-math, ftrapping-math, -ffp-model=, and -ffp-exception-behavior="

        Patch was reverted because https://bugs.llvm.org/show_bug.cgi?id=44048
        The original patch is modified to set the strictfp IR attribute
        explicitly in CodeGen instead of as a side effect of IRBuilder.
        In the 2nd attempt to reapply there was a windows lit test fail, the
        tests were fixed to use wildcard matching.

        Differential Revision: https://reviews.llvm.org/D62731
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index 51902a6..38eb64e 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -559,6 +559,7 @@
   Record.AddSourceLocation(D->getEndLoc());
 
   Record.push_back(D->getODRHash());
+  Record.push_back(D->usesFPIntrin());
 
   Record.push_back(D->getTemplatedKind());
   switch (D->getTemplatedKind()) {