aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c
new file mode 100644
index 000000000..fbea9e385
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/20040916-1.c
@@ -0,0 +1,45 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+/* PR17513 - we hit a bug where EDGE_EXECUTABLE was not cleared on
+ successors of the entry block. This lead to a flow verification
+ error much later in the compilation (after gcse). */
+typedef unsigned char uint8;
+typedef unsigned int uint32;
+
+uint32 marker = 0;
+uint8 *buff = 0;
+uint32 bsize = 0;
+
+extern int foo (void);
+
+uint32
+bar (void)
+{
+ int len, d;
+
+ for (;;)
+ {
+ if (foo () == 0)
+ return (0);
+
+ switch (marker)
+ {
+ case 0xfe:
+ {
+ len |= (*buff++);
+ bsize -= 2;
+
+ while (len > 0)
+ {
+ d = *buff++;
+ len--;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ }
+}
+