test cleanup
- do not print tracebacks if $GOTRACEBACK=0
- set GOTRACEBACK=0 during tests
- filter out pc numbers in errors
R=r
DELTA=70 (22 added, 30 deleted, 18 changed)
OCL=15618
CL=15642
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 04f1737..3d439ca 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -212,6 +212,7 @@
void* mal(uint32);
uint32 cmpstring(string, string);
void initsig(void);
+int32 gotraceback(void);
void traceback(uint8 *pc, uint8 *sp, G* gp);
void tracebackothers(G*);
int32 open(byte*, int32, ...);