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/gcc.dg/tree-ssa/pr20739.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20739.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20739.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20739.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20739.c new file mode 100644 index 000000000..c1e7b58e3 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr20739.c @@ -0,0 +1,24 @@ +/* PR middle-end/20739 */ + +/* dg-do compile */ +/* dg-options "-O" */ + +/* We used to fail to compile this because gimplification dropped the + conversion that added the const qualifier to the sub-expression + involving baz, and then immediately noticed and reported its + absence. */ + +typedef struct +{ + char chars[5]; +} +baz_t; + +extern baz_t * baz; + +extern void foo (baz_t); +int +bar (const baz_t * ls) +{ + foo (ls == 0 ? *(&baz[0]) : *ls); +} -- cgit v1.2.3