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re PR c/20368 (internal compiler error: tree check: expected function_type or method_type, have integer_type in start_function, at c-decl.c:5777)

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PR c/20368
	* c-decl.c (start_function): Check for old_decl being
	error_mark_node.

testsuite:
	* gcc.dg/pr20368-1.c, gcc.dg/pr20368-2.c, gcc.dg/pr20368-3.c: New
	tests.

From-SVN: r97270
This commit is contained in:
Joseph Myers 2005-03-30 20:35:49 +01:00 • committed by Joseph Myers
parent c9d691e977
commit 1e55c0e22a
6 changed files with 56 additions and 2 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
PR c/20368
* c-decl.c (start_function): Check for old_decl being
error_mark_node.
2005-03-30 Ian Lance Taylor <ian@airs.com>
* final.c (final): Remove prescan parameter. Change all callers.

10
gcc/c-decl.c
View file

@ -5691,11 +5691,13 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
/* Optionally warn of old-fashioned def with no previous prototype. */
if (warn_strict_prototypes
&& old_decl != error_mark_node
&& TYPE_ARG_TYPES (TREE_TYPE (decl1)) == 0
&& C_DECL_ISNT_PROTOTYPE (old_decl))
warning ("function declaration isn%'t a prototype");
/* Optionally warn of any global def with no previous prototype. */
else if (warn_missing_prototypes
&& old_decl != error_mark_node
&& TREE_PUBLIC (decl1)
&& !MAIN_NAME_P (DECL_NAME (decl1))
&& C_DECL_ISNT_PROTOTYPE (old_decl))
@ -5703,7 +5705,9 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
/* Optionally warn of any def with no previous prototype
if the function has already been used. */
else if (warn_missing_prototypes
&& old_decl != 0 && TREE_USED (old_decl)
&& old_decl != 0
&& old_decl != error_mark_node
&& TREE_USED (old_decl)
&& TYPE_ARG_TYPES (TREE_TYPE (old_decl)) == 0)
warning ("%J%qD was used with no prototype before its definition",
decl1, decl1);
@ -5716,7 +5720,9 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator,
/* Optionally warn of any def with no previous declaration
if the function has already been used. */
else if (warn_missing_declarations
&& old_decl != 0 && TREE_USED (old_decl)
&& old_decl != 0
&& old_decl != error_mark_node
&& TREE_USED (old_decl)
&& C_DECL_IMPLICIT (old_decl))
warning ("%J%qD was used with no declaration before its definition",
decl1, decl1);

6
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-30 Joseph S. Myers <joseph@codesourcery.com>
PR c/20368
* gcc.dg/pr20368-1.c, gcc.dg/pr20368-2.c, gcc.dg/pr20368-3.c: New
tests.
2005-03-30 Alan Modra <amodra@bigpond.net.au>
* gcc.c-torture/compile/pr20203.c: New test.

12
gcc/testsuite/gcc.dg/pr20368-1.c Normal file
View file

@ -0,0 +1,12 @@
/* ICE with -Wstrict-prototypes and typeof an undeclared function.
Bug 20368. */
/* { dg-do compile } */
/* { dg-options "-Wstrict-prototypes" } */
extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */
int
f (x)
float x;
{
}

12
gcc/testsuite/gcc.dg/pr20368-2.c Normal file
View file

@ -0,0 +1,12 @@
/* ICE with -Wstrict-prototypes and typeof an undeclared function.
Bug 20368. Test with -Wmissing-prototypes. */
/* { dg-do compile } */
/* { dg-options "-Wmissing-prototypes" } */
extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */
int
f (x)
float x;
{
}

12
gcc/testsuite/gcc.dg/pr20368-3.c Normal file
View file

@ -0,0 +1,12 @@
/* ICE with -Wstrict-prototypes and typeof an undeclared function.
Bug 20368. Test with -Wmissing-declarations. */
/* { dg-do compile } */
/* { dg-options "-Wmissing-declarations" } */
extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */
int
f (x)
float x;
{
}