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BR 3392535: warning on redefine, promote define-on-pass2 to error

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If we redefine consistently, make it a suppressed-by-default warning.
If we end up doing the define on pass 2, promote that to a
default-error warning; using a default-error warning allows the user
to demote it should they so wish.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Requested-by: C. Masloch <pushbx@38.de>
This commit is contained in:
H. Peter Anvin (Intel)
2018-12-12 16:49:07 -08:00
parent 46016cb368
commit 950dee9edc
3 changed files with 36 additions and 25 deletions
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7
include/error.h
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@@ -95,8 +95,7 @@ static inline vefunc nasm_set_verror(vefunc ve)
#define WARN_MNP WARN( 1) /* macro-num-parameters warning */
#define WARN_MSR WARN( 2) /* macro self-reference */
#define WARN_MDP WARN( 3) /* macro default parameters check */
#define WARN_OL WARN( 4) /* orphan label (no colon, and
* alone on line) */
#define WARN_OL WARN( 4) /* orphan label (no colon, and alone on line) */
#define WARN_NOV WARN( 5) /* numeric overflow */
#define WARN_GNUELF WARN( 6) /* using GNU ELF extensions */
#define WARN_FL_OVERFLOW WARN( 7) /* FP overflow */
@@ -115,9 +114,11 @@ static inline vefunc nasm_set_verror(vefunc ve)
#define WARN_UNK_WARNING WARN(20) /* unknown warning */
#define WARN_NEG_REP WARN(21) /* negative repeat count */
#define WARN_PHASE WARN(22) /* phase error in pass 1 */
#define WARN_LABEL_REDEF WARN(23) /* label redefined, but consistent */
#define WARN_LABEL_LATE WARN(24) /* label (re)defined during code generation */
/* These two should come last */
#define WARN_ALL (22+2) /* Do not use WARN() here */
#define WARN_ALL (24+2) /* Do not use WARN() here */
#define WARN_OTHER WARN(WARN_ALL-1) /* any noncategorized warning */
/* This is a bitmask */