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re PR c/10333 (typeof (bitfield) is accepted but doesn't work)

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PR c/10333
	* c-parse.in (typespec_reserved_nonattr): Reject typeof on
	bit-fields.

testsuite:
	* gcc.dg/bitfld-7.c: New test.

From-SVN: r74036
This commit is contained in:
Joseph Myers 2003-11-29 20:09:48 +00:00 committed by Joseph Myers
parent 9c85868198
commit 65f0edec4b
4 changed files with 24 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2003-11-29 Joseph S. Myers <jsm@polyomino.org.uk>
PR c/10333
* c-parse.in (typespec_reserved_nonattr): Reject typeof on
bit-fields.
2003-11-29 Richard Sandiford <rsandifo@redhat.com>
* stmt.c (expand_asm_operands): Check whether force_const_mem

6
gcc/c-parse.in
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@ -1375,7 +1375,11 @@ typespec_nonreserved_nonattr:
{ $$ = get_object_reference ($1); }
@@end_ifobjc
| typeof '(' expr ')'
{ skip_evaluation--; $$ = TREE_TYPE ($3); }
{ skip_evaluation--;
if (TREE_CODE ($3) == COMPONENT_REF
&& DECL_C_BIT_FIELD (TREE_OPERAND ($3, 1)))
error ("`typeof' applied to a bit-field");
$$ = TREE_TYPE ($3); }
| typeof '(' typename ')'
{ skip_evaluation--; $$ = groktypename ($3); }
;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2003-11-29 Joseph S. Myers <jsm@polyomino.org.uk>
PR c/10333
* gcc.dg/bitfld-7.c: New test.
2003-11-29 Richard Sandiford <rsandifo@redhat.com>
* gcc.dg/tls/asm-1.C: New test.

8
gcc/testsuite/gcc.dg/bitfld-7.c Normal file
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@ -0,0 +1,8 @@
/* Test for rejection of typeof on bit-fields. PR c/10333. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
/* { dg-do compile } */
/* { dg-options "" } */
struct { int a:1; } x;
typeof (x.a) z; /* { dg-error "applied to a bit-field" "typeof" } */