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| author | Joseph Myers <jsm28@cam.ac.uk> | 2001-12-04 22:55:40 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2001-12-04 22:55:40 +0000 |
| commit | db3acfa5476e5af834fee38ad8e1b193a8f018dc (patch) | |
| tree | 47e4fa29a6462438cb5aea8ae3e2c690243e3f52 /gcc/c-common.def | |
| parent | d062a680ab959bc09d0f2572ac16e444b5396aa4 (diff) | |
| download | gcc-db3acfa5476e5af834fee38ad8e1b193a8f018dc.zip gcc-db3acfa5476e5af834fee38ad8e1b193a8f018dc.tar.gz gcc-db3acfa5476e5af834fee38ad8e1b193a8f018dc.tar.bz2 | |
re PR c/4787 (Different anonymous variables declared but only one allocated when the initialization is the same)
* c-common.def (COMPOUND_LITERAL_EXPR): New.
* c-common.c (c_expand_expr): Handle COMPOUND_LITERAL_EXPR.
(c_staticp): New function.
* c-common.h (COMPOUND_LITERAL_EXPR_DECL): New.
(c_staticp): Declare.
* c-typeck.c (default_function_array_conversion, build_unary_op):
Don't handle CONSTRUCTOR specially.
(lvalue_p, mark_addressable): Handle COMPOUND_LITERAL_EXPR.
* c-decl.c (build_compound_literal): New function.
* c-tree.h (build_compound_literal): Declare.
* c-parse.in (primary): Use build_compound_literal.
* c-lang.c (LANG_HOOKS_STATICP): Define.
* objc/objc-lang.c (LANG_HOOKS_STATICP): Likewise.
* doc/c-tree.texi: Document COMPOUND_LITERAL_EXPR.
* doc/extend.texi: Update documentation of compound literals.
Fixes PR c/4787.
testsuite:
* gcc.c-torture/execute/20000722-1.x,
gcc.c-torture/execute/20010123-1.x: Remove.
* gcc.c-torture/compile/init-3.c: Don't use a compound literal.
* gcc.dg/c90-complit-1.c, gcc.dg/c99-complit-1.c,
gcc.dg/c99-complit-2.c: New tests.
From-SVN: r47629
Diffstat (limited to 'gcc/c-common.def')
| -rw-r--r-- | gcc/c-common.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/c-common.def b/gcc/c-common.def index 6ae0466..7840ce8 100644 --- a/gcc/c-common.def +++ b/gcc/c-common.def @@ -101,3 +101,9 @@ DEFTREECODE (CASE_LABEL, "case_label", 'e', 3) /* A STMT_EXPR represents a statement-expression. The STMT_EXPR_STMT is the statement given by the expression. */ DEFTREECODE (STMT_EXPR, "stmt_expr", 'e', 1) + +/* A COMPOUND_LITERAL_EXPR represents a C99 compound literal. The + COMPOND_LITERAL_EXPR_DECL is the decl for the anonymous object + represented by the COMPOUND_LITERAL; the DECL_INITIAL of that + decl is the CONSTRUCTOR that initializes the compound literal. */ +DEFTREECODE (COMPOUND_LITERAL_EXPR, "compound_literal_expr", 'e', 1) |