gcc/gcc10-pr97060.patch
Jakub Jelinek d10315732b 10.2.1-4
2020-09-16 11:42:59 +02:00

54 lines
1.7 KiB
Diff

2020-09-16 Jakub Jelinek <jakub@redhat.com>
PR debug/97060
* dwarf2out.c (dwarf2out_early_global_decl): For FUNCTION_DECLs
and their abstract origins, if they don't have gimple body,
set current_function_decl to NULL rather than the decl or origin.
* gcc.dg/debug/dwarf2/pr97060.c: New test.
--- gcc/dwarf2out.c.jj 2020-09-07 13:17:58.383594248 +0200
+++ gcc/dwarf2out.c 2020-09-16 11:14:57.763550862 +0200
@@ -26547,7 +26547,11 @@ dwarf2out_early_global_decl (tree decl)
&& ((origin_die = lookup_decl_die (origin)) == NULL
|| is_declaration_die (origin_die)))
{
- current_function_decl = origin;
+ cgraph_node *cnode = cgraph_node::get (origin);
+ if (cnode && cnode->has_gimple_body_p ())
+ current_function_decl = origin;
+ else
+ current_function_decl = NULL_TREE;
dwarf2out_decl (origin);
}
@@ -26556,7 +26560,11 @@ dwarf2out_early_global_decl (tree decl)
if ((old_die = lookup_decl_die (decl)) == NULL
|| is_declaration_die (old_die))
{
- current_function_decl = decl;
+ cgraph_node *cnode = cgraph_node::get (decl);
+ if (cnode && cnode->has_gimple_body_p ())
+ current_function_decl = decl;
+ else
+ current_function_decl = NULL_TREE;
dwarf2out_decl (decl);
}
--- gcc/testsuite/gcc.dg/debug/dwarf2/pr97060.c.jj 2020-09-16 11:03:22.358420449 +0200
+++ gcc/testsuite/gcc.dg/debug/dwarf2/pr97060.c 2020-09-16 11:03:17.717486318 +0200
@@ -0,0 +1,13 @@
+/* PR debug/97060 */
+/* { dg-do compile } */
+/* { dg-options "-g -dA" } */
+/* { dg-final { scan-assembler-times "DW_AT_declaration" 2 } } */
+
+extern int foo (unsigned int, unsigned int);
+
+int
+bar (void)
+{
+ foo (1, 2);
+ return 0;
+}