[Issue 15130] New: dmd emits huge data for zero initialized struct
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Wed Sep 30 03:23:38 PDT 2015
https://issues.dlang.org/show_bug.cgi?id=15130
Issue ID: 15130
Summary: dmd emits huge data for zero initialized struct
Product: D
Version: D2
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P1
Component: dmd
Assignee: nobody at puremagic.com
Reporter: code at dawg.eu
cat > bug.d << CODE
struct Buffer
{
ubyte[64*1024] bytes;
}
CODE
dmd -c bug
nm -S bug.o
----
0000000000000000 0000000000000088 V _D21TypeInfo_S3bug6Buffer6__initZ
0000000000000010 000000000000000c R _D3bug12__ModuleInfoZ
0000000000000000 0000000000010000 B _D3bug6Buffer6__initZ
----
The _D3bug6Buffer6__initZ is referenced by the typeinfo, but it should be a
null array in the typeinfo instead.
https://github.com/D-Programming-Language/druntime/blob/1f957372e5dadb92ab1d621d68232dbf8a2dbccf/src/object.d#L2682
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