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re PR c/71573 (ICE on invalid C code on x86_64-linux-gnu (tree check: expected function_decl, have var_decl in implicitly_declare))

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PR c/71573
	* c-decl.c (implicitly_declare): Return decl early not only for
	error_mark_nodes, but for anything that is not a FUNCTION_DECL.

	* gcc.dg/noncompile/pr71573.c: New test.

From-SVN: r238885
This commit is contained in:
Marek Polacek 2016-07-29 17:36:46 +00:00 • committed by Marek Polacek
parent efd0786f21
commit e00dceafd2
4 changed files with 22 additions and 1 deletions
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4
gcc/c/ChangeLog
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@ -7,6 +7,10 @@
* c-parser.c (c_parser_switch_statement): Initialize ce.original_type
to error node for invalid code.
PR c/71573
* c-decl.c (implicitly_declare): Return decl early not only for
error_mark_nodes, but for anything that is not a FUNCTION_DECL.
2016-07-29 Jakub Jelinek <jakub@redhat.com>
PR c/71969

2
gcc/c/c-decl.c
View file

@ -3327,7 +3327,7 @@ implicitly_declare (location_t loc, tree functionid)
if (decl)
{
if (decl == error_mark_node)
if (TREE_CODE (decl) != FUNCTION_DECL)
return decl;
/* FIXME: Objective-C has weird not-really-builtin functions

3
gcc/testsuite/ChangeLog
View file

@ -8,6 +8,9 @@
PR c/71853
* gcc.dg/noncompile/pr71853.c: New test.
PR c/71573
* gcc.dg/noncompile/pr71573.c: New test.
2016-07-29 Uros Bizjak <ubizjak@gmail.com>
* gcc.dg/pr59833.c: Use dg-add-options ieee.

14
gcc/testsuite/gcc.dg/noncompile/pr71573.c Normal file
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@ -0,0 +1,14 @@
/* PR c/71573 */
/* { dg-do compile } */
void
f1 (void)
{
extern int t;
}
void
f2 (void)
{
t (0); /* { dg-error "called object .t. is not a function or function pointer" } */
}