http://d.puremagic.com/issues/show_bug.cgi?id=8497
Summary: Bad code gen involving ubyte, ternary operators, and
shifts
Product: D
Version: D2
Platform: x86_64
OS/Version: Mac OS X
Status: NEW
Severity: regression
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: peter.alexander...@gmail.com
--- Comment #0 from Peter Alexander <peter.alexander...@gmail.com> 2012-08-02
13:23:12 PDT ---
Sorry for the title, don't know how to describe this well:
------------------
class Foo
{
public:
void foo(uint value)
{
ubyte size = value < (0x7fU << 0 ) ? 1 :
value < (0x7fU << 14) ? 2 :
3;
import std.stdio;
writeln(size);
}
}
void main()
{
Foo f = new Foo();
f.foo(1000000);
}
------------------
With no optimisations or any other flags, this prints out 255, even though it
should print 2.
Happens in DMD 2.060, but not 2.059.
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