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Tim Peters writes: 

For a long time I've seen absurd tracebacks under -O (e.g., negative
line numbers), but very rarely.  Since I was looking at tracebacks
anyway, thought I'd track it down.  Turns out to be Guido's only
predictable blind spot <wink -- "char" is signed on some non-GvR
systems>.  Patch follows.
This commit is contained in:
Guido van Rossum 1999-09-15 22:48:09 +00:00
parent f3c5f5c044
commit 2174dcb061
1 changed files with 1 additions and 1 deletions
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2
Python/compile.c
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@ -3451,7 +3451,7 @@ PyCode_Addr2Line(co, addrq)
int addrq;
{
int size = PyString_Size(co->co_lnotab) / 2;
char *p = PyString_AsString(co->co_lnotab);
unsigned char *p = (unsigned char*)PyString_AsString(co->co_lnotab);
int line = co->co_firstlineno;
int addr = 0;
while (--size >= 0) {