[clang] [FPEnv] Add strictfp in some C++ constructors lacking a FunctionDecl. (PR #74883)

[Kevin P. Neal via cfe-commits]

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@@ -6,14 +7,80 @@ float z();
 #pragma float_control(except, on)
 class ON {
   float w = 2 + y() * z();
-  // CHECK-LABEL: define {{.*}} @_ZN2ONC2Ev{{.*}}
-  // CHECK: llvm.experimental.constrained.fmul{{.*}}tonearest{{.*}}strict
 };
 ON on;
 #pragma float_control(except, off)
 class OFF {
   float w = 2 + y() * z();
-  // CHECK-LABEL: define {{.*}} @_ZN3OFFC2Ev{{.*}}
-  // CHECK-NOT: llvm.experimental.constrained.fmul{{.*}}tonearest{{.*}}strict
 };
 OFF off;
+// CHECK-LABEL: define internal void @__cxx_global_var_init(
+// CHECK-SAME: ) #[[ATTR0:[0-9]+]] section ".text.startup" {
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kpneal wrote:

I missed the argument to update_cc_test_checks.py that includes the attribute comments. Fixed. Is the new comment about checking for strictfp sufficient? Or do I need to include a mention of the documentation in the LangRef?

https://github.com/llvm/llvm-project/pull/74883