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| author | Sverker Eriksson <[email protected]> | 2016-02-24 17:55:04 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-02-24 17:55:04 +0100 |
| commit | 03743cd4193a2ca97f9b9a52a25e63f616e8fc07 (patch) | |
| tree | 9c1f4094a2105ec4bf19dd0d16e76b598d0e608d /lib/compiler/src/rec_env.erl | |
| parent | 1b094d72ffc56069c72f17c7edd673dbbfe47e39 (diff) | |
| parent | 35739bd06776f90526006486b3f4ab7e54f7f951 (diff) | |
| download | otp-03743cd4193a2ca97f9b9a52a25e63f616e8fc07.tar.gz otp-03743cd4193a2ca97f9b9a52a25e63f616e8fc07.tar.bz2 otp-03743cd4193a2ca97f9b9a52a25e63f616e8fc07.zip | |
Merge branch 'master' into sverk/master/halt-INT_MIN
Diffstat (limited to 'lib/compiler/src/rec_env.erl')
| -rw-r--r-- | lib/compiler/src/rec_env.erl | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/compiler/src/rec_env.erl b/lib/compiler/src/rec_env.erl index 0e9e12d1ad..5a4a870769 100644 --- a/lib/compiler/src/rec_env.erl +++ b/lib/compiler/src/rec_env.erl @@ -598,7 +598,16 @@ start_range(Env) -> %% (pseudo-)randomly distributed over the range. generate(_N, Range) -> - random:uniform(Range). % works well + %% We must use the same sequence of random variables to ensure + %% that two compilations of the same source code generates the + %% same BEAM code. + case rand:export_seed() of + undefined -> + rand:seed(exsplus, {1,42,2053}); + _ -> + ok + end, + rand:uniform(Range). % works well %% ===================================================================== |