re PR middle-end/79732 (ICE in set_ssa_default_def, at tree-dfa.c:327)

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79732
	* tree-inline.c (expand_call_inline): Do not shadow var.

	* gcc.dg/torture/pr79732.c: New testcase.

From-SVN: r245773

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a98a08e..96e1508 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2017-02-28  Richard Biener  <rguenther@suse.de>
 
+       PR tree-optimization/79732
+       * tree-inline.c (expand_call_inline): Do not shadow var.
+
+2017-02-28  Richard Biener  <rguenther@suse.de>
+
        PR tree-optimization/79723
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
        address-space properly.

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8c0514c..b616b8a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
 2017-02-28  Richard Biener  <rguenther@suse.de>
 
+       PR tree-optimization/79732
+       * gcc.dg/torture/pr79732.c: New testcase.
+
+2017-02-28  Richard Biener  <rguenther@suse.de>
+
        PR tree-optimization/79723
        * gcc.target/i386/pr79723.c: New testcase.
 

diff --git a/gcc/testsuite/gcc.dg/torture/pr79732.c b/gcc/testsuite/gcc.dg/torture/pr79732.c
new file mode 100644 (file)
index 0000000..7231ba4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr79732.c
@@ -0,0 +1,5 @@
+/* { dg-do link } */
+
+int bar () __attribute__ ((alias ("foo")));
+void foo () { }
+int main () { return bar(); }

diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 138b992..bd4b48e 100644 (file)
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -4782,7 +4782,7 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
            {
              if (!var)
                {
-                 tree var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
+                 var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
                  SET_SSA_NAME_VAR_OR_IDENTIFIER (name, var);
                }
              /* Otherwise make this variable undefined.  */