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Roger Sayle c782c2fed8 tree.h (CASE_LOW_SEEN, [...]): New macros for manipulating temporary visit flags on CASE_LABEL_EXPRs.
* tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
	temporary visit flags on CASE_LABEL_EXPRs.
	* c-common.c (match_case_to_enum): Add function comment.  Avoid
	O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
	(c_do_switch_warnings):  Reorganize to record CASE_LOW_SEEN and
	CASE_HIGH_SEEN for enumerated types.  If the switch expression is
	a constant, only warn if that constant value isn't handled.

	* gcc.dg/Wswitch-enum-2.c: New test case.
	* gcc.dg/Wswitch-enum-3.c: Likewise.

From-SVN: r116481
2006-08-26 23:51:14 +00:00
boehm-gc re PR libgcj/13212 (JNI/CNI AttachCurrentThread does not register thread with garbage collector) 2006-08-21 22:07:30 +00:00
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gcc tree.h (CASE_LOW_SEEN, [...]): New macros for manipulating temporary visit flags on CASE_LABEL_EXPRs. 2006-08-26 23:51:14 +00:00
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