[Issue 11237] zero initializer emitted to read-only data segment, slow compilation
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Thu Oct 31 18:39:44 PDT 2013
http://d.puremagic.com/issues/show_bug.cgi?id=11237
Martin Nowak <code at dawg.eu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
--- Comment #6 from Martin Nowak <code at dawg.eu> 2013-10-31 18:39:41 PDT ---
The broke struct initializers.
They are emitted to object files with a symbol size of 1 byte regardless of
their actual size.
Also I wonder why the initializer are now common symbols ('V') while they
previously were normal uninitialized variables ('B').
Test case
cat > bug.d << CODE
struct Buffer { ubyte[64 * 1024] buffer; }
CODE
dmd2.063.2 -c bug
nm -S bug.o
0000000000000000 0000000000010000 B _D4bug26Buffer6__initZ
// 1-byte size and weak object
dmd2.064 -c bug
nm -S bug.o
0000000000000000 0000000000000001 V _D4bug26Buffer6__initZ
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