diff options
author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2017-02-01 14:53:48 (GMT) |
---|---|---|
committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2017-02-01 14:53:48 (GMT) |
commit | 8259c261067c140fd2db07d72c8eb9883b949aa0 (patch) | |
tree | 5396984be616abc08e0d86c583616769944a631c /generic/tclExecute.c | |
parent | a5fff7a94743517ada1b332a259ccfa63bb89570 (diff) | |
parent | 304de510732b5bf301c6d97ca26f876dca26886e (diff) | |
download | tcl-8259c261067c140fd2db07d72c8eb9883b949aa0.zip tcl-8259c261067c140fd2db07d72c8eb9883b949aa0.tar.gz tcl-8259c261067c140fd2db07d72c8eb9883b949aa0.tar.bz2 |
Fix [d0f7ba56f0e8f93b7efb5b09ebc30a824bdd577a|d0f7ba56f0]: INST_EQ first-argument NaN shortcut is too aggressive
Diffstat (limited to 'generic/tclExecute.c')
-rw-r--r-- | generic/tclExecute.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index b9ef582..1d3a825 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -6126,16 +6126,17 @@ TEBCresume( value2Ptr = OBJ_AT_TOS; valuePtr = OBJ_UNDER_TOS; - if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) { + if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK + || GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) { /* * At least one non-numeric argument - compare as strings. */ goto stringCompare; } - if (type1 == TCL_NUMBER_NAN) { + if (type1 == TCL_NUMBER_NAN || type2 == TCL_NUMBER_NAN) { /* - * NaN first arg: NaN != to everything, other compares are false. + * NaN arg: NaN != to everything, other compares are false. */ iResult = (*pc == INST_NEQ); @@ -6145,21 +6146,6 @@ TEBCresume( compare = MP_EQ; goto convertComparison; } - if (GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) { - /* - * At least one non-numeric argument - compare as strings. - */ - - goto stringCompare; - } - if (type2 == TCL_NUMBER_NAN) { - /* - * NaN 2nd arg: NaN != to everything, other compares are false. - */ - - iResult = (*pc == INST_NEQ); - goto foundResult; - } if ((type1 == TCL_NUMBER_LONG) && (type2 == TCL_NUMBER_LONG)) { l1 = *((const long *)ptr1); l2 = *((const long *)ptr2); |