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Let nondeterministic skeletons be usable with deterministic

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tables.
With the patch, GAWK compiled by GCC without -O2 passes its test
suite using a GLR parser driven by LALR tables.  It fails with -O2
because `struct stat' gives two different answers on my machine:
88 (definition of an auto var) and later 96 (memset on this var).
Hence the stack is badly corrumpted.  The headers inclusion is to
blame: if I move the awk.h inclusion before GLR's system header
inclusion, the two struct stat have the same size.
* src/tables.c (pack_table): Always create conflict_table.
(token_actions): Always create conflict_list.
* data/glr.c (YYFLAG): Remove, unused.
This commit is contained in:
Akim Demaille
2002-10-13 18:50:40 +00:00
parent f377f69fec
commit ea99527d23
4 changed files with 44 additions and 35 deletions
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@@ -1,3 +1,20 @@
2002-10-13 Akim Demaille <akim@epita.fr>
Let nondeterministic skeletons be usable with deterministic
tables.
With the patch, GAWK compiled by GCC without -O2 passes its test
suite using a GLR parser driven by LALR tables. It fails with -O2
because `struct stat' gives two different answers on my machine:
88 (definition of an auto var) and later 96 (memset on this var).
Hence the stack is badly corrumpted. The headers inclusion is to
blame: if I move the awk.h inclusion before GLR's system header
inclusion, the two struct stat have the same size.
* src/tables.c (pack_table): Always create conflict_table.
(token_actions): Always create conflict_list.
* data/glr.c (YYFLAG): Remove, unused.
2002-10-13 Akim Demaille <akim@epita.fr>
* configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.