From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C | 33 +++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C (limited to 'gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C') diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C new file mode 100644 index 000000000..2d1dcceba --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr19637.C @@ -0,0 +1,33 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-dom1" } */ + +#include + +struct Foo { + Foo() { i[0] = 1; } + int i[2]; +}; + +int foo_char(void) +{ + int i[2]; + new (reinterpret_cast(i)) Foo(); + return reinterpret_cast(i)->i[0]; +} + +int foo_void(void) +{ + int i[2]; + new (reinterpret_cast(i)) Foo(); + return reinterpret_cast(i)->i[0]; +} + +int foo_void_offset(void) +{ + int i[2]; + new (reinterpret_cast(&i[0])) Foo(); + return reinterpret_cast(&i[0])->i[0]; +} + +/* { dg-final { scan-tree-dump-times "return 1;" 3 "dom1" } } */ +/* { dg-final { cleanup-tree-dump "dom1" } } */ -- cgit v1.2.3