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re PR preprocessor/41543 (BUILTINS_LOCATION wrong with -fpreprocessed)

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PR preprocessor/41543
	* input.h (BUILTINS_LOCATION): Change to 1 from 2.
	Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
	* tree.c: Include intl.h.
	(expand_location): Handle BUILTINS_LOCATION.
	* Makefile.in (tree.o): Depend on intl.h.

	* include/line-map.h (RESERVED_LOCATION_COUNT): Define.
	* line-map.c (linemap_init): Initialize highest_location and
	highest_line to RESERVED_LOCATION_COUNT-1 instead of 0.

	* gcc.dg/debug/dwarf2/pr41543.c: New test.

From-SVN: r152761
This commit is contained in:
Jakub Jelinek 2009-10-14 12:04:22 +02:00 • committed by Jakub Jelinek
parent b29ee46cf2
commit 96c169e156
9 changed files with 49 additions and 7 deletions
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5
libcpp/include/line-map.h
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@ -143,6 +143,11 @@ extern const struct line_map *linemap_add
extern const struct line_map *linemap_lookup
(struct line_maps *, source_location);
/* source_location values from 0 to RESERVED_LOCATION_COUNT-1 will
be reserved for libcpp user as special values, no token from libcpp
will contain any of those locations. */
#define RESERVED_LOCATION_COUNT 2
/* Converts a map and a source_location to source line. */
#define SOURCE_LINE(MAP, LOC) \
((((LOC) - (MAP)->start_location) >> (MAP)->column_bits) + (MAP)->to_line)