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| author | Jilles Tjoelker <jilles@FreeBSD.org> | 2014-06-01 11:25:34 +0000 |
|---|---|---|
| committer | Jilles Tjoelker <jilles@FreeBSD.org> | 2014-06-01 11:25:34 +0000 |
| commit | b0762e49217d5eba738a766f1f598c8763adfd7d (patch) | |
| tree | 7ea1ab3f1f745808800c1163d39888c60a4dd1e8 /bin | |
| parent | dd5a01badc566fc3b5cd152c7558b08635b52dcc (diff) | |
| download | src-b0762e49217d5eba738a766f1f598c8763adfd7d.tar.gz src-b0762e49217d5eba738a766f1f598c8763adfd7d.zip | |
sh: Avoid undefined behaviour shifting negative values left in arithmetic.
With i386 base clang, arith_yacc.o remains unchanged.
Notes
Notes:
svn path=/head/; revision=266947
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/sh/arith_yacc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/bin/sh/arith_yacc.c b/bin/sh/arith_yacc.c index fbf9a640c03b..815d885eb6b7 100644 --- a/bin/sh/arith_yacc.c +++ b/bin/sh/arith_yacc.c @@ -139,7 +139,7 @@ static arith_t do_binop(int op, arith_t a, arith_t b) case ARITH_SUB: return (uintmax_t)a - (uintmax_t)b; case ARITH_LSHIFT: - return a << b; + return (uintmax_t)a << b; case ARITH_RSHIFT: return a >> b; case ARITH_LT: |