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Fix 23236 - can't initialize a @mustuse member in constructor (#14303)

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Dennis 2022-07-14 17:32:43 +02:00 • committed by GitHub
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2 changed files with 17 additions and 1 deletions
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2
compiler/src/dmd/mustuse.d
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@ -98,7 +98,7 @@ void checkMustUseReserved(Dsymbol sym)
*/ */
private bool isAssignment(Expression e) private bool isAssignment(Expression e)
{ {
if (e.isAssignExp || e.isBinAssignExp) if (e.isAssignExp || e.isBinAssignExp || e.isConstructExp || e.isBlitExp)
return true; return true;
if (auto ce = e.isCallExp()) if (auto ce = e.isCallExp())
{ {

16
compiler/test/compilable/must_use_initialize.d Normal file
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@ -0,0 +1,16 @@
// https://issues.dlang.org/show_bug.cgi?id=23236
// can't initialize a @mustuse member in constructor
import core.attribute;
@mustuse struct MyError { }
struct S
{
MyError lastError;
this(int x)
{
this.lastError = MyError();
}
}