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author | Björn Gustavsson <[email protected]> | 2012-08-23 09:58:17 +0200 |
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committer | Björn Gustavsson <[email protected]> | 2012-08-23 09:58:17 +0200 |
commit | e7720fe2b2a1f09af70e74b54442f72f84609a31 (patch) | |
tree | d4fc0f35f41d9c9e1674af29510e797a118220fc /lib/compiler/src/v3_core.erl | |
parent | e479ebeb58beaa8261fa90e54681dc30e5ee3085 (diff) | |
parent | e4e5d08621137473674cf3cdce0b36a43a8d6d15 (diff) | |
download | otp-e7720fe2b2a1f09af70e74b54442f72f84609a31.tar.gz otp-e7720fe2b2a1f09af70e74b54442f72f84609a31.tar.bz2 otp-e7720fe2b2a1f09af70e74b54442f72f84609a31.zip |
Merge branch 'bjorn/compiler/illegal-size/OTP-10197' into maint
* bjorn/compiler/illegal-size/OTP-10197:
compiler: Warn if the size of a binary segment is invalid
Diffstat (limited to 'lib/compiler/src/v3_core.erl')
-rw-r--r-- | lib/compiler/src/v3_core.erl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl index 242196c593..01042cc56f 100644 --- a/lib/compiler/src/v3_core.erl +++ b/lib/compiler/src/v3_core.erl @@ -823,6 +823,13 @@ bitstr({bin_element,_,E0,Size0,[Type,{unit,Unit}|Flags]}, St0) -> {_,_} -> throw(bad_binary) end, + case Size1 of + #c_var{} -> ok; + #c_literal{val=Sz} when is_integer(Sz), Sz >= 0 -> ok; + #c_literal{val=undefined} -> ok; + #c_literal{val=all} -> ok; + _ -> throw(bad_binary) + end, {#c_bitstr{val=E1,size=Size1, unit=#c_literal{val=Unit}, type=#c_literal{val=Type}, |