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re PR sanitizer/80659 (-fsanitize=address evokes ICE in in gimplify_switch_expr) 

PR sanitizer/80659
	* c-decl.c (build_compound_literal): Set DECL_ARTIFICIAL and
	DECL_IGNORED_P even for non-static compound literals.

	* gcc.dg/asan/pr80659.c: New test.

From-SVN: r248491
This commit is contained in:
Marek Polacek 2017-05-26 11:17:34 +00:00 committed by Marek Polacek
parent 9e2248e6d3
commit 015cf5d1d1
4 changed files with 32 additions and 2 deletions
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9
gcc/c/ChangeLog
View File

@ -1,3 +1,12 @@
2017-05-26 Marek Polacek <polacek@redhat.com>
Backported from mainline
2017-05-17 Marek Polacek <polacek@redhat.com>
PR sanitizer/80659
* c-decl.c (build_compound_literal): Set DECL_ARTIFICIAL and
DECL_IGNORED_P even for non-static compound literals.
2017-05-03 Jakub Jelinek <jakub@redhat.com>
Backported from mainline

4
gcc/c/c-decl.c
View File

@ -5261,6 +5261,8 @@ build_compound_literal (location_t loc, tree type, tree init, bool non_const)
DECL_CONTEXT (decl) = current_function_decl;
TREE_USED (decl) = 1;
DECL_READ_P (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
TREE_TYPE (decl) = type;
TREE_READONLY (decl) = (TYPE_READONLY (type)
|| (TREE_CODE (type) == ARRAY_TYPE
@ -5297,8 +5299,6 @@ build_compound_literal (location_t loc, tree type, tree init, bool non_const)
set_compound_literal_name (decl);
DECL_DEFER_OUTPUT (decl) = 1;
DECL_COMDAT (decl) = 1;
DECL_ARTIFICIAL (decl) = 1;
DECL_IGNORED_P (decl) = 1;
pushdecl (decl);
rest_of_decl_compilation (decl, 1, 0);
}

8
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
2017-05-26 Marek Polacek <polacek@redhat.com>
Backported from mainline
2017-05-17 Marek Polacek <polacek@redhat.com>
PR sanitizer/80659
* gcc.dg/asan/pr80659.c: New test.
2017-05-26 Marek Polacek <polacek@redhat.com>
Backported from mainline

13
gcc/testsuite/gcc.dg/asan/pr80659.c Normal file
View File

@ -0,0 +1,13 @@
/* PR sanitizer/80659 */
/* { dg-do compile } */
void
foo (int a)
{
switch (a)
{
case 0:
(int[3]) { };
int h;
}
}