Thread View: gnu.gcc.bug
1 messages
1 total messages
Started by Ronald Guilmette
Wed, 28 Feb 1990 08:06
gcc 1.37 bug 900227_01
Author: Ronald Guilmette
Date: Wed, 28 Feb 1990 08:06
Date: Wed, 28 Feb 1990 08:06
22 lines
1194 bytes
1194 bytes
/* gcc 1.37 bug 900227_01
gcc allows short and char type global variables to be initialized with
addresses of relocatable entities.
Even if the ANSI C standard seems to permit this, I believe that GCC should
not allow it. I tried this code on 5 different machines and it failed on
all five (unless I also use the GNU assembler and the GNU linker). Three
of the five (Sun3, Sun4, and Symmetry) got link-time errors about byte
offset overflows. The other two (368/SystemV and AViiON) got assembly
time errors about relocatable names used in "constant" expressions.
It is clearly of very little value to allows this, and since mysterious
linker or assembler errors may ensue, gcc should *not* allow it.
*/
int main ();
short s = (short) &main;
char c = (char) &main;
int main () { return 0; }
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