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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - After 6d485ff455ea, Assertion failed: (i < getNumParams() && "Illegal param #"), function getParamDecl, file clang/include/clang/AST/Decl.h, line 2430."
href="https://bugs.llvm.org/show_bug.cgi?id=47347">47347</a>
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<th>Summary</th>
<td>After 6d485ff455ea, Assertion failed: (i < getNumParams() && "Illegal param #"), function getParamDecl, file clang/include/clang/AST/Decl.h, line 2430.
</td>
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<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>dimitry@andric.com
</td>
</tr>
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<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
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</tr></table>
<p>
<div>
<pre>Bulding the FreeBSD graphics/pgplot results in an assertion:
./pgdispd/updatelgtitle.c:31:8: note: 'sprintf' is a builtin with type 'int
(char *, const char *, ...)'
Assertion failed: (i < getNumParams() && "Illegal param #"), function
getParamDecl, file
/usr/local/poudriere/jails/head-i386/usr/src/contrib/llvm-project/clang/include/clang/AST/Decl.h,
line 2430.
PLEASE submit a bug report to <a href="https://bugs.freebsd.org/submit/">https://bugs.freebsd.org/submit/</a> and include the
crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: cc -O2 -pipe -fstack-protector-strong
-fno-strict-aliasing -I/usr/local/include -DPGDISP -c ./pgdispd/updatelgtitle.c
-o updatelgtitle.o
1. ./pgdispd/updatelgtitle.c:62:8: current parser token ')'
2. ./pgdispd/updatelgtitle.c:21:1: parsing function body 'updatelgtitle'
3. ./pgdispd/updatelgtitle.c:21:1: in compound statement ('{}')
4. ./pgdispd/updatelgtitle.c:37:7: in compound statement ('{}')
Bisection shows this to be caused by <a href="https://reviews.llvm.org/D71566">https://reviews.llvm.org/D71566</a> /
<a href="https://reviews.llvm.org/rG6d485ff455ea">https://reviews.llvm.org/rG6d485ff455ea</a> ("Improve static checks for sprintf and
__builtin___sprintf_chk").
Minimized test case:
// clang -cc1 -triple x86_64-- -S updatelgtitle-min.c
int a;
char b;
double c, d;
void e() {
void sprintf();
sprintf(b, "line graphics #%d X %.6g Y %.6g", a, c, d);
}</pre>
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