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libbacktrace: update to current version from GCC trunk

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This adds DWARF 5 support as well as an enhanced testsuite.

Patch assembled by Than McIntosh.
This commit is contained in:
Ian Lance Taylor
2019-12-23 18:55:51 -08:00
parent 5a99ff7fed
commit 559ab7cab4
62 changed files with 17898 additions and 3864 deletions
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4
mmap.c
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@@ -1,5 +1,5 @@
/* mmap.c -- Memory allocation with mmap.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
Copyright (C) 2012-2019 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
@@ -321,5 +321,7 @@ backtrace_vector_release (struct backtrace_state *state,
backtrace_free (state, (char *) vec->base + aligned, alc,
error_callback, data);
vec->alc = 0;
if (vec->size == 0)
vec->base = NULL;
return 1;
}