OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

c-typeck.c (convert_arguments): When comparing for enumeral type equality, use TYPE_MAIN_VARIANT. 

* c-typeck.c (convert_arguments): When comparing for enumeral
	type equality, use TYPE_MAIN_VARIANT.
	* gcc.dg/Wconversion.c: New tests.

From-SVN: r46559
This commit is contained in:
Neil Booth 2001-10-26 20:49:48 +00:00 committed by Neil Booth
parent 30151c7b3b
commit a38b987a89
3 changed files with 28 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2001-10-26 Neil Booth <neil@daikokuya.demon.co.uk>
* c-typeck.c (convert_arguments): When comparing for enumeral
type equality, use TYPE_MAIN_VARIANT.
* gcc.dg/Wconversion.c: New tests.
2001-10-26 Kazu Hirata <kazu@hxi.com>
* s390/s390.c: Fix comment typos.

3
gcc/c-typeck.c
View File

@ -1651,7 +1651,8 @@ convert_arguments (typelist, values, name, fundecl)
tree type1 = TREE_TYPE (would_have_been);
if (TREE_CODE (type) == ENUMERAL_TYPE
&& type == TREE_TYPE (val))
&& (TYPE_MAIN_VARIANT (type)
== TYPE_MAIN_VARIANT (TREE_TYPE (val))))
/* No warning if function asks for enum
and the actual arg is that enum type. */
;

20
gcc/testsuite/gcc.dg/Wconversion.c Normal file
View File

@ -0,0 +1,20 @@
/* Source: PR 137.
We would not warn about passing an enum, but would warn about
passing a enum that was part of an array. TYPE_MAIN_VARIANT was
not used in the appropriate place in the warning code. */
/* { dg-do compile } */
/* { dg-options -Wconversion } */
typedef enum { a } __attribute__((packed)) t;
void f(t x) {}
int main(void)
{
t x[2], y;
f(x[0]); /* { dg-bogus "different width" } */
f(y); /* { dg-bogus "different width" } */
return 0;
}