* g++.dg/ext/attrib5.C,

	* g++.dg/lookup/struct1.C: New tests.

From-SVN: r52215

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ccabe18f899627cdbeaee48038ed3bf6c1468f32..fdf1c38bd49733a04f4f2ae005eef6719c76f892 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2002-04-12  Richard Sandiford  <rsandifo@redhat.com>
+
+       * g++.dg/ext/attrib5.C,
+       * g++.dg/lookup/struct1.C: New tests.
+
 2002-04-11  Jakub Jelinek  <jakub@redhat.com>
 
        * gcc.dg/20020411-1.c: New test.

diff --git a/gcc/testsuite/g++.dg/ext/attrib5.C b/gcc/testsuite/g++.dg/ext/attrib5.C
new file mode 100644 (file)
index 0000000..f67510d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/attrib5.C
@@ -0,0 +1,21 @@
+// There were two related problems here, depending on the vintage.  At
+// one time:
+//
+//    typedef struct A { ... } A __attribute__ ((aligned (16)));
+//
+// would cause original_types to go into an infinite loop.  At other
+// times, the attributes applied to an explicit typedef would be lost
+// (check_b3 would have a negative size).
+
+// First check that the declaration is accepted and has an effect.
+typedef struct A { int i; } A __attribute__ ((aligned (16)));
+int check_A[__alignof__ (A) >= 16 ? 1 : -1];
+
+// Check that the alignment is only applied to the typedef.
+struct B { int i; };
+struct B b1;
+typedef struct B B __attribute__((aligned (16)));
+struct B b2;
+B b3;
+int check_b1[__alignof__ (b1) == __alignof__ (b2) ? 1 : -1];
+int check_b3[__alignof__ (b3) >= 16 ? 1 : -1];

diff --git a/gcc/testsuite/g++.dg/lookup/struct1.C b/gcc/testsuite/g++.dg/lookup/struct1.C
new file mode 100644 (file)
index 0000000..c8bc056
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/struct1.C
@@ -0,0 +1,14 @@
+// Various struct lookup tests.  We didn't used to complain about
+// the definition of C.
+
+struct A;
+typedef struct A B;            // { dg-error "previous declaration" }
+struct B;                      // { dg-error "conflicting types" }
+
+typedef struct { int i; } C;   // { dg-error "previous declaration" }
+struct C;                      // { dg-error "conflicting types" }
+
+struct D;
+typedef struct D D;
+typedef struct D { int i; } D;
+typedef struct D D;