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Siegfried Pammer d41032efbe Bind instance compound assignment operators when building expressions "x op= y" and a prefix increment resolve in two phases: the instance operators reachable from the static type of x come first wherever x is a variable - whether or not the result is used - and the static operators only if none of them is applicable. A postfix increment whose result is used is the one form that always binds a static operator. CallBuilder models the first phase when it checks that recompiling an instance operator call binds the same method; the fallback phase is deliberately not modeled, since a call the instance candidates cannot account for must give up the operator form rather than collide with a static operator. The same rule cuts the other way for the folds built from static operator calls: a shadowed fold has to be written in one of the static-binding forms. The binary operators become "x = x + y"; an increment becomes a postfix increment whose result goes to a discard, "_ = x++;". That form only exists as a statement, so the folds that would embed a shadowed increment in an expression hold back and FixRemainingIncrements gives the increment a statement of its own instead. A foreach variable cannot be such a receiver at all (it is read-only), so the loop keeps the existing variable as a writable copy, both for a plain loop variable and for a deconstruction. Assisted-by: Claude:claude-opus-5:Claude Code		3 weeks ago
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CSharpConversions.cs	Emit C# 7.1 default literals where the context supplies the type	4 weeks ago
CSharpOperators.cs	Update resolver spec references to current C# standard numbering	2 months ago
CSharpResolver.cs	Bind instance compound assignment operators when building expressions	3 weeks ago
Log.cs	dev: Strip BOM mark from text files	1 year ago
MemberLookup.cs	dev: Strip BOM mark from text files	1 year ago
NameLookupMode.cs	dev: Strip BOM mark from text files	1 year ago
OverloadResolution.cs	Align span conversions, betterness and inference with the C# 14 spec	1 month ago
OverloadResolutionErrors.cs	dev: Strip BOM mark from text files	1 year ago
TypeInference.cs	Improvements to type inference:	3 weeks ago