warn if setjmp is used as a function pointer

1 files changed, 1 insertions, 0 deletions

diff --git a/src/modules.js b/src/modules.js
index e4093078..b13ab3c5 100644
--- a/src/modules.js
+++ b/src/modules.js
@@ -341,6 +341,7 @@ var Functions = {
                 call += (j > 1 ? ',' : '') + asmCoercion('a' + j, t[j] != 'i' ? 'float' : 'i32');
               }
               call += ')';
+              if (curr == '_setjmp') printErr('WARNING: setjmp used via a function pointer. If this is for libc setjmp (not something of your own with the same name), it will break things');
               tables.pre += 'function ' + curr + '__wrapper(' + args + ') { ' + arg_coercions + ' ; ' + retPre + call + retPost + ' }\n';
               wrapped[curr] = 1;
             }