[clang] Effect analysis: correctly detect `(f ? a : b)` as nonblocking when a and b are (PR #111224)

[Doug Wyatt via cfe-commits]

================
@@ -156,6 +156,16 @@ void nb10(
 	static_cast<void (*)()>(fp1)(); // expected-warning {{function with 'nonblocking' attribute must not call non-'nonblocking' expression}}
 }
 
+// Expression involving indirection
+int nb10a() [[clang::nonblocking]];
+int nb10b() [[clang::nonblocking]];
+
+int nb10c(bool x) [[clang::nonblocking]]
+{
+	// Warns that the expression is not nonblocking.
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dougsonos wrote:

Oops that comment is left over from when the test was failing on main :)

https://github.com/llvm/llvm-project/pull/111224