aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c
new file mode 100644
index 000000000..4e4431e6b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/c90-impl-decl-1.c
@@ -0,0 +1,22 @@
+/* Test for implicit function declaration: in C90 only. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
+
+void
+foo (void)
+{
+ bar ();
+}
+
+/* C90 subclause 7.1.7 says we can implicitly declare strcmp; C99 removes
+ implict declarations.
+*/
+int
+bar (const char *a, const char *b)
+{
+ /* This fails for GCC CVS 20000709, but is not marked XFAIL since
+ GCC 2.95.2 passes.
+ */
+ return strcmp (a, b); /* { dg-bogus "implicit" "implicit declaration warning for strcmp" } */
+}