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-rw-r--r--gcc/testsuite/g++.dg/other/unused1.C49
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/unused1.C b/gcc/testsuite/g++.dg/other/unused1.C
new file mode 100644
index 000000000..2a3ca1be7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/unused1.C
@@ -0,0 +1,49 @@
+/* { dg-do compile } */
+/* { dg-options "-g" } */
+/* { dg-skip-if "" { { hppa*-*-hpux* *-*-solaris2.[56]* } && { ! hppa*64*-*-* } } { "*" } { "" } } */
+
+/* Make sure we didn't eliminate casted types because we thought they were
+ unused. */
+
+void *voidp;
+
+struct foo { int i; };
+int bar (void)
+{
+ return ((struct foo *)0x1234)->i;
+}
+
+struct boo { int i; };
+int bar2 (void)
+{
+ return reinterpret_cast<struct boo *>(0xC0FFEE)->i;
+}
+
+struct cue { int i; };
+int bar3 (void)
+{
+ return static_cast<struct cue *>(voidp)->i;
+}
+
+class printer { public: int i; };
+const printer *dotmatrix;
+int bar4 (void)
+{
+ return const_cast<printer *>(dotmatrix)->i;
+}
+
+class class1 { public: virtual ~class1(); } *c1;
+class class2 : class1 { char j; };
+int bar5 (void)
+{
+ if (dynamic_cast <class2 *>(c1))
+ return 5;
+ else
+ return 6;
+}
+/* { dg-final { scan-assembler "foo" } } */
+/* { dg-final { scan-assembler "boo" } } */
+/* { dg-final { scan-assembler "cue" } } */
+/* The xfail below is for PR33429. */
+/* { dg-final { scan-assembler "(string|ascii?)z?\[\t \]\"class2(\"|\\\\0)" { xfail *-*-* } } } */
+/* { dg-final { scan-assembler "(string|ascii?)z?\[\t \]\"printer(\"|\\\\0)" } } */