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| author | Björn Gustavsson <[email protected]> | 2016-10-28 10:13:33 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2016-10-28 10:13:33 +0200 |
| commit | 97ee6664899949c5c40dfefa9d8b516ac639fb3c (patch) | |
| tree | aad449b470357cfe7a3bf236ecaac3e0f8c3ff26 /lib/compiler/src | |
| parent | e402b08254ee9a78a2560e3123e1fb468fa948dc (diff) | |
| parent | f957985dc38034bf49711052ef02c14fa054667a (diff) | |
| download | otp-97ee6664899949c5c40dfefa9d8b516ac639fb3c.tar.gz otp-97ee6664899949c5c40dfefa9d8b516ac639fb3c.tar.bz2 otp-97ee6664899949c5c40dfefa9d8b516ac639fb3c.zip | |
Merge branch 'maint'
* maint:
Don't copy funs into guards
Diffstat (limited to 'lib/compiler/src')
| -rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index feb34b364f..44a6aa425d 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -1142,7 +1142,13 @@ clause_1(#c_clause{guard=G0,body=B0}=Cl, Ps1, Cexpr, Ctxt, Sub1) -> %% %% case A of NewVar when true -> ... %% - sub_set_var(Var, Cexpr, Sub2); + case cerl:is_c_fname(Cexpr) of + false -> + sub_set_var(Var, Cexpr, Sub2); + true -> + %% We must not copy funs, and especially not into guards. + Sub2 + end; _ -> Sub2 end, |