PR target/42811

	* tests/staticrootstest.c: New test source file.
	* tests/staticrootslib.c: New test library source file.
	* Makefile.am (test_ldadd): New variable.
	(gctest_LDADD): Use it.
	(TESTS): Add leaktest, middletest and staticrootstest.
	(check_PROGRAMS): Likewise.
	(leaktest_SOURCES): New libtool variable definition.
	(leaktest_LDADD): Likewise.
	(leaktest_LDFLAGS): Likewise.
	(leaktest_LINK): Likewise.
	(middletest_SOURCES): Likewise.
	(middletest_LDADD): Likewise.
	(middletest_LDFLAGS): Likewise.
	(middletest_LINK): Likewise.
	(staticrootstest_SOURCES): Likewise.
	(staticrootstest_LDADD): Likewise.
	(staticrootstest_LDFLAGS): Likewise.
	(staticrootstest_LINK): Likewise.
	(check_LTLIBRARIES): Likewise.
	(libstaticrootslib_la_SOURCES): Likewise.
	(libstaticrootslib_la_LIBADD): Likewise.
	(libstaticrootslib_la_LDFLAGS): Likewise.
	(libstaticrootslib_la_DEPENDENCIES): Likewise.
	* Makefile.in: Regenerate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159115 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 79 insertions, 0 deletions

diff --git a/boehm-gc/tests/staticrootslib.c b/boehm-gc/tests/staticrootslib.c
new file mode 100644
index 00000000000..6e13278a6c0
--- /dev/null
+++ b/boehm-gc/tests/staticrootslib.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+#ifndef GC_DEBUG
+# define GC_DEBUG
+#endif
+
+#include "gc.h"
+
+struct treenode {
+    struct treenode *x;
+    struct treenode *y;
+} * root[10];
+
+struct treenode * libsrl_mktree(int i)
+{
+  struct treenode * r = GC_MALLOC(sizeof(struct treenode));
+  if (0 == i) return 0;
+  if (1 == i) r = GC_MALLOC_ATOMIC(sizeof(struct treenode));
+  r -> x = libsrl_mktree(i-1);
+  r -> y = libsrl_mktree(i-1);
+  return r;
+}
+
+void * libsrl_init(void)
+{
+  GC_INIT();
+  return GC_MALLOC(sizeof(struct treenode));
+}
+
+void * libsrl_collect (void)
+{
+  GC_gcollect();
+}
diff --git a/boehm-gc/tests/staticrootstest.c b/boehm-gc/tests/staticrootstest.c
new file mode 100644
index 00000000000..68ff9eaea1e
--- /dev/null
+++ b/boehm-gc/tests/staticrootstest.c
@@ -0,0 +1,46 @@
+#include <stdio.h>
+
+#ifndef GC_DEBUG
+# define GC_DEBUG
+#endif
+
+#include "gc.h"
+#include "gc_backptr.h"
+
+struct treenode {
+    struct treenode *x;
+    struct treenode *y;
+} * root[10];
+
+static char *staticroot = 0;
+
+extern struct treenode * libsrl_mktree(int i);
+extern void * libsrl_init(void);
+extern void * libsrl_collect (void);
+
+int main(void)
+{
+  int i;
+  staticroot = libsrl_init();
+  for (i = 0; i < sizeof(struct treenode); ++i) {
+    staticroot[i] = 0x42;
+  }
+  libsrl_collect();
+  for (i = 0; i < 10; ++i) {
+    root[i] = libsrl_mktree(12);
+    libsrl_collect();
+  }
+  for (i = 0; i < sizeof(struct treenode); ++i) {
+    if (staticroot[i] != 0x42)
+      return -1;
+  }
+  for (i = 0; i < 10; ++i) {
+    root[i] = libsrl_mktree(12);
+    libsrl_collect();
+  }
+  for (i = 0; i < sizeof(struct treenode); ++i) {
+    if (staticroot[i] != 0x42)
+      return -1;
+  }
+  return 0;
+}