Port https://github.com/dotnet/roslyn/pull/72964 to release/dev17.10 #73058
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Restore
dynamic
as result type of some operations involvingdynamic
arguments (#72964)Fixes #72750.
For C# 12 language version: behavior of the compiler in regards to deciding between whether binding should be static or dynamic is the same as behavior of C# 12 compiler. As a result, for affected scenarios, what used to have
dynamic
type in C# 12 compiler will havedynamic
type when C# 12 language version is targeted.For newer language versions: invocations statically bound in presence of dynamic arguments should have dynamic result if their dynamic binding succeeded in C# 12. Corresponding spec update - dotnet/csharplang#8027 at commit 8.
Related to #33011, #72906, #72912, #72913, #72914, #72916, #72931.