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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/builtins-30.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/builtins-30.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/builtins-30.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtins-30.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-30.c
new file mode 100644
index 000000000..37e5dba2d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtins-30.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-Wall -Wshadow -fshow-column" } */
+
+extern double strtod (const char *, char **);
+#define UNUSED __attribute__ ((unused))
+
+/* A built-in function may be overridden by an old-style definition
+ specifying too few arguments... */
+double cos () /* { dg-warning "shadows a built-in|number of arguments" } */
+{
+ return strtod ("nan", 0);
+}
+
+/* the right number, but the wrong type, arguments... */
+double sin (foo) /* { dg-warning "8:shadows a built-in" } */
+ int foo UNUSED; /* { dg-warning "10:argument 'foo' doesn't match built-in prototype" } */
+{
+ return strtod ("nan", 0);
+}
+
+/* or too many arguments. */
+long double cosl (foo, bar) /* { dg-warning "shadows a built-in|number of arguments" } */
+ const char *foo UNUSED; /* { dg-warning "18:argument 'foo' doesn't match" } */
+ int bar UNUSED;
+{
+ return strtod ("nan", 0);
+}