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BUILD: Makefile: disable -Warray-bounds until it's fixed in gcc 11

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Ilya reported in issue #1010 that gcc 11 (still in development phase 3)
sees out-of-bounds accesses to tlskeys_reference. After a deep analysis
it turns out that the warning is erroneous and Tim could set up a
reproducer that was further simplified to file a gcc bug report (98503).
In order not to break builds on this version, let's temporarily disable
the warning, since no acceptable workaround could be defined. Once gcc
gets it right, the warning should be re-enabled as it is likely to catch
real errors (it's the first false positive here for us even though
roughly one hundred issues were reported around this one alone).
This commit is contained in:
Willy Tarreau 2021-01-03 20:27:13 +01:00
parent 23cc52d34b
commit 5e8c35da1b
1 changed files with 1 additions and 0 deletions
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Makefile
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@ -195,6 +195,7 @@ SPEC_CFLAGS += $(call cc-nowarn,clobbered)
SPEC_CFLAGS += $(call cc-nowarn,missing-field-initializers)
SPEC_CFLAGS += $(call cc-nowarn,cast-function-type)
SPEC_CFLAGS += $(call cc-nowarn,string-plus-int)
SPEC_CFLAGS += $(call cc-nowarn,array-bounds)
SPEC_CFLAGS += $(call cc-opt,-Wtype-limits)
SPEC_CFLAGS += $(call cc-opt,-Wshift-negative-value)
SPEC_CFLAGS += $(call cc-opt,-Wshift-overflow=2)