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(rest_of_decl_compilation): Don't look at DECL_IGNORED_P.

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Don't output a read-only initialized extern variable.

From-SVN: r5105
This commit is contained in:
Richard Stallman 1993-08-08 08:33:22 +00:00
parent fe23d5ada2
commit 9a9a96439d
1 changed files with 7 additions and 6 deletions
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13
gcc/toplev.c
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@ -2163,18 +2163,19 @@ rest_of_decl_compilation (decl, asmspec, top_level, at_end)
TIMEVAR (varconst_time,
{
make_decl_rtl (decl, asmspec, top_level);
/* For a user-invisible decl that should be replaced
by its value when used, don't output anything. */
/* Initialized extern variable exists to be replaced
with its value, or represents something that will be
output in another file. */
if (! (TREE_CODE (decl) == VAR_DECL
&& DECL_IGNORED_P (decl) && TREE_READONLY (decl)
&& DECL_INITIAL (decl) != 0))
&& DECL_EXTERNAL (decl) && TREE_READONLY (decl)
&& DECL_INITIAL (decl) != 0
&& DECL_INITIAL (decl) != error_mark_node)
/* Don't output anything
when a tentative file-scope definition is seen.
But at end of compilation, do output code for them. */
if (! (! at_end && top_level
&& (DECL_INITIAL (decl) == 0
|| DECL_INITIAL (decl) == error_mark_node
|| DECL_IGNORED_P (decl))))
|| DECL_INITIAL (decl) == error_mark_node)))
assemble_variable (decl, top_level, at_end, 0);
});
else if (DECL_REGISTER (decl) && asmspec != 0)