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re PR debug/80263 (gcc's internal type "sizetype" leaks out as base type name in the DWARF info)

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PR debug/80263
	* dwarf2out.c (modified_type_die): Try harder not to emit internal
	sizetype type into debug info.

	* gcc.dg/debug/dwarf2/pr80263.c: New test.

From-SVN: r246973
This commit is contained in:
Jakub Jelinek 2017-04-18 18:58:48 +02:00 committed by Jakub Jelinek
parent 1997025337
commit 1cda61fc28
4 changed files with 37 additions and 10 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-04-18 Jakub Jelinek <jakub@redhat.com>
PR debug/80263
* dwarf2out.c (modified_type_die): Try harder not to emit internal
sizetype type into debug info.
2017-04-18 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/80099

29
gcc/dwarf2out.c
View File

@ -12464,20 +12464,29 @@ modified_type_die (tree type, int cv_quals, bool reverse,
this type. */
qualified_type = get_qualified_type (type, cv_quals);
if (qualified_type == sizetype
&& TYPE_NAME (qualified_type)
&& TREE_CODE (TYPE_NAME (qualified_type)) == TYPE_DECL)
if (qualified_type == sizetype)
{
tree t = TREE_TYPE (TYPE_NAME (qualified_type));
/* Try not to expose the internal sizetype type's name. */
if (TYPE_NAME (qualified_type)
&& TREE_CODE (TYPE_NAME (qualified_type)) == TYPE_DECL)
{
tree t = TREE_TYPE (TYPE_NAME (qualified_type));
gcc_checking_assert (TREE_CODE (t) == INTEGER_TYPE
&& TYPE_PRECISION (t)
== TYPE_PRECISION (qualified_type)
&& TYPE_UNSIGNED (t)
== TYPE_UNSIGNED (qualified_type));
qualified_type = t;
gcc_checking_assert (TREE_CODE (t) == INTEGER_TYPE
&& (TYPE_PRECISION (t)
== TYPE_PRECISION (qualified_type))
&& (TYPE_UNSIGNED (t)
== TYPE_UNSIGNED (qualified_type)));
qualified_type = t;
}
else if (qualified_type == sizetype
&& TREE_CODE (sizetype) == TREE_CODE (size_type_node)
&& TYPE_PRECISION (sizetype) == TYPE_PRECISION (size_type_node)
&& TYPE_UNSIGNED (sizetype) == TYPE_UNSIGNED (size_type_node))
qualified_type = size_type_node;
}
/* If we do, then we can just use its DIE, if it exists. */
if (qualified_type)
{

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2017-04-18 Jakub Jelinek <jakub@redhat.com>
PR debug/80263
* gcc.dg/debug/dwarf2/pr80263.c: New test.
2017-04-18 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/80099

7
gcc/testsuite/gcc.dg/debug/dwarf2/pr80263.c Normal file
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@ -0,0 +1,7 @@
/* PR debug/80263 */
/* { dg-do compile } */
/* { dg-options "-g -dA" } */
char array[1];
/* { dg-final { scan-assembler-not {\msizetype} } } */