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RSRP-296758: False warning 'Expression is always null' and bad QF 'Replace with null'

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Reporter Vladimir Reshetnikov (nikov) Vladimir Reshetnikov (nikov)
Created Apr 21, 2012 7:59:31 PM
Updated Aug 12, 2015 11:05:35 AM
Assignee Alisa Afonina (alisa.afonina)
Priority Normal
State Submitted
Type Bug
Target Wave Undefined
Fixed In Wave Undefined
Affected Wave No affected wave
Subsystem Quick Fixes
Fix versions No Fix versions
Affected versions No Affected versions
Fixed in builds No Fixed in build
VsVersion All Versions
class C
{
void Foo(string y, __arglist) { }

void Bar()
{
Foo(null, __arglist(null));
}
}

After QF:

class C
{
void Foo(string y, __arglist) { }

void Bar()
{
Foo(null, null); // error CS1503: Argument 2: cannot convert from '<null>' to '__arglist'
}
}

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