re PR target/37170 (gcc.dg/weak/weak-1.c)

	PR middle-end/37170
	PR middle-end/37280
	* gcc.dg/weak/weak-15.c, gcc.dg/weak/weak-16.c,
	g++.dg/ext/inline1.C: New tests.

From-SVN: r140540

2 files changed, 60 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/weak/weak-15.c b/gcc/testsuite/gcc.dg/weak/weak-15.c
new file mode 100644
index 0000000..2218ca4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/weak/weak-15.c
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-require-weak "" } */
+/* { dg-options "-fno-common" } */
+
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?a" } } */
+/* { dg-final { scan-assembler-not "weak\[^ \t\]*\[ \t\]_?b" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?c" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?d" } } */
+
+#pragma weak a
+extern char a[];
+
+char *user_a(void)
+{
+  return a+1;
+}
+
+int x;
+int extern inline b(int y)
+{
+  return x+y;
+}
+
+extern int b(int y);
+
+int user_b(int z)
+{
+  return b(z);
+}
+
+#pragma weak c
+extern int c;
+
+int *user_c = &c;
+
+#pragma weak d
+extern char d[];
+
+char *user_d = &d[1];
diff --git a/gcc/testsuite/gcc.dg/weak/weak-16.c b/gcc/testsuite/gcc.dg/weak/weak-16.c
new file mode 100644
index 0000000..3bcf388
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/weak/weak-16.c
@@ -0,0 +1,21 @@
+/* From PR37280.  */
+/* { dg-do compile } */
+/* { dg-require-weak "" } */
+/* { dg-options "-fno-common -Os" } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_index" } } */
+/* { dg-final { scan-assembler "weak\[^ \t\]*\[ \t\]_?kallsyms_token_table" } } */
+
+extern int kallsyms_token_index[] __attribute__((weak));
+extern int kallsyms_token_table[] __attribute__((weak));
+void kallsyms_expand_symbol(int *result)
+{
+  int len = *result;
+  int *tptr;
+  while(len) {
+    tptr = &kallsyms_token_table[ kallsyms_token_index[*result] ];
+    len--;
+    while (*tptr) tptr++;
+    *tptr = 1;
+  }
+ *result = 0;
+}