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Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324. The idea is to separate the notion of const from 'this variable can always be replaced with its initializer' in the frontend. To do that, I introduced Declaration::isSameAsInitializer, which is overridden in VarDeclaration to return false for constants that have a struct literal initializer. So {{{ const S s = S(5); void foo() { auto ps = &s; } // is no longer replaced by void foo() { auto ps = &(S(5)); } }}} To make taking the address of a struct constant with a struct-initializer outside of function scope possible, I made sure that AddrExp::optimize doesn't try to run the argument's optimization with WANTinterpret - that'd again replace the constant with a struct literal temporary.
author Christian Kamm <kamm incasoftware de>
date Sun, 14 Jun 2009 19:49:58 +0200
parents 6cffbfff0363
children
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LDC is released under the "three-clause BSD" license reproduced below with 
the following exceptions:

The DMD frontend in dmd/* is originally written by Walter Bright and released
under the artistic license (dmd/artistic.txt) or the GPL version 1 (dmd/gpl.txt).

The files gen/asmstmt.cpp and gen/asm-*.h were originally written by David
Friedman for GDC and released under the artistic license (dmd/artistic.txt) or
the GPL version 2 or later.


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