[Bug c++/23477] New: default-initializing array new expression uses memcpy() instead of memset(), bloats executable
avi at argo dot co dot il
gcc-bugzilla@gcc.gnu.org
Fri Aug 19 09:21:00 GMT 2005
the program
int main()
{
new int[10000000]();
}
generates a 40MB executable. it compiles into a memcpy() of 40MB of zeros into
the newly-allocated array.
tested at -O0 and -O3.
gcc version 4.0.1 20050727 (Red Hat 4.0.1-5)
--
Summary: default-initializing array new expression uses memcpy()
instead of memset(), bloats executable
Product: gcc
Version: 4.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: avi at argo dot co dot il
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i386-redhat-linux
GCC host triplet: i386-redhat-linux
GCC target triplet: i386-redhat-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23477
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