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Make sure every co-routines has its own set of temporary registers and does

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not share temporaries, since a co-routine might expect the content of a
temporary register to be preserved across an OP_Yield.
Proposed fix for ticket [d06a25c84454a].

FossilOrigin-Name: ca72be8618e5d466d6f35819ca8bbd2b84269959
This commit is contained in:
drh
2016-02-09 02:12:20 +00:00
parent e48f1ed9bf
commit 2fade2f791
8 changed files with 54 additions and 18 deletions
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src/vdbe.h
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@@ -180,6 +180,7 @@ int sqlite3VdbeAddOp3(Vdbe*,int,int,int,int);
int sqlite3VdbeAddOp4(Vdbe*,int,int,int,int,const char *zP4,int);
int sqlite3VdbeAddOp4Dup8(Vdbe*,int,int,int,int,const u8*,int);
int sqlite3VdbeAddOp4Int(Vdbe*,int,int,int,int,int);
void sqlite3VdbeEndCoroutine(Vdbe*,int);
#if defined(SQLITE_DEBUG) && !defined(SQLITE_TEST_REALLOC_STRESS)
void sqlite3VdbeVerifyNoMallocRequired(Vdbe *p, int N);
#else