Mangled names different for typedef'ed functions

[Martin Buchholz <martin at xemacs dot org>]

egcs-2.91.24, Linux-i386, C++

Apparently a change in the latest snapshot.

If two functions have identical signatures except that one uses a
typedef, they should have identical mangled names.  This only happens
when the typedef'ed arg occurs repeatedly, so this looks like a simple 
bug, not an attempt at stricter type-checking.

The new behavior is much more likely to cause unwarranted link errors.

shell transcript follows:

(martin@lasker) ~/src $ egcs -c -x c++ typed.c && nm typed.o | grep 'foo\|bar'
00000018 T bar1__Fi
00000024 T bar2__Fi
00000000 T foo1__Fii
0000000c T foo2__FiT0
(martin@lasker) ~/src $ cat typed.c
typedef int intptr_t;
void foo1 ( int i, int j) {}
void foo2 (intptr_t i, intptr_t j) {}
void bar1 (int i) {}
void bar2 (intptr_t i) {}
(martin@lasker) ~/src $ egcs --version
egcs-2.91.24

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