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gcc.c (read_specs): Detect and fail if an attempt is made to rename a spec string to an already...

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2002-04-17  Nick Clifton  <nickc@cambridge.redhat.com>

    * gcc.c (read_specs): Detect and fail if an attempt is made to
    rename a spec string to an already existing string.

From-SVN: r52426
This commit is contained in:
Nick Clifton 2002-04-17 16:26:28 +00:00 committed by Nick Clifton
parent b30d21159d
commit 169ce44d8d
2 changed files with 12 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-04-17 Nick Clifton <nickc@cambridge.redhat.com>
* gcc.c (read_specs): Detect and fail if an attempt is made to
rename a spec string to an already existing string.
2002-04-17 Ulrich Weigand <uweigand@de.ibm.com> 2002-04-17 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.c (legitimize_pic_address): Do not generate * config/s390/s390.c (legitimize_pic_address): Do not generate

8
gcc/gcc.c
View File

@ -1862,8 +1862,9 @@ read_specs (filename, main_p)
{ {
int name_len; int name_len;
struct spec_list *sl; struct spec_list *sl;
struct spec_list *newsl;
/* Get original name */ /* Get original name. */
p1 += sizeof "%rename"; p1 += sizeof "%rename";
while (*p1 == ' ' || *p1 == '\t') while (*p1 == ' ' || *p1 == '\t')
p1++; p1++;
@ -1909,6 +1910,11 @@ read_specs (filename, main_p)
if (strcmp (p1, p2) == 0) if (strcmp (p1, p2) == 0)
continue; continue;
for (newsl = specs; newsl; newsl = newsl->next)
if (strcmp (newsl->name, p2) == 0)
fatal ("%s: attempt to rename spec '%s' to already defined spec '%s'",
filename, p1, p2);
if (verbose_flag) if (verbose_flag)
{ {
notice ("rename spec %s to %s\n", p1, p2); notice ("rename spec %s to %s\n", p1, p2);